74671632 has 100 divisors (see below), whose sum is σ = 247025856. Its totient is φ = 21332160.

The previous prime is 74671631. The next prime is 74671651. The reversal of 74671632 is 23617647.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (74671631) 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 19 ways as a sum of consecutive naturals, for example, 4957 + ... + 13187.

Almost surely, 2^74671632 is an apocalyptic number.

74671632 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 74671632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123512928).

74671632 is an abundant number, since it is smaller than the sum of its proper divisors (172354224).

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

74671632 is a wasteful number, since it uses less digits than its factorization.

74671632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258 (or 8243 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 74671632 is about 8641.2749059384. The cubic root of 74671632 is about 421.0999738127.

The spelling of 74671632 in words is "seventy-four million, six hundred seventy-one thousand, six hundred thirty-two".