74212632 has 192 divisors, whose sum is σ = 237168000. Its totient is φ = 21430656.

The previous prime is 74212631. The next prime is 74212643. The reversal of 74212632 is 23621247.

74212632 is a `hidden beast` number, since 7 + 4 + 21 + 2 + 632 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (4032) is a multiple of the sum of its prime divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 74212596 and 74212605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74212631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 693523 + ... + 693629.

It is an arithmetic number, because the mean of its divisors is an integer number (1235250).

Almost surely, 2^74212632 is an apocalyptic number.

74212632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74212632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118584000).

74212632 is an abundant number, since it is smaller than the sum of its proper divisors (162955368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74212632 is a wasteful number, since it uses less digits than its factorization.

74212632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 144 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 74212632 is about 8614.6753856428. The cubic root of 74212632 is about 420.2353782677.

Adding to 74212632 its reverse (23621247), we get a palindrome (97833879).

The spelling of 74212632 in words is "seventy-four million, two hundred twelve thousand, six hundred thirty-two".