74312352 has 72 divisors (see below), whose sum is σ = 212756544. Its totient is φ = 24603264.

The previous prime is 74312351. The next prime is 74312383. The reversal of 74312352 is 25321347.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (74312351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46153 + ... + 47735.

It is an arithmetic number, because the mean of its divisors is an integer number (2954952).

Almost surely, 2^74312352 is an apocalyptic number.

74312352 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 74312352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106378272).

74312352 is an abundant number, since it is smaller than the sum of its proper divisors (138444192).

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

74312352 is a wasteful number, since it uses less digits than its factorization.

74312352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 1751 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 74312352 is about 8620.4612405602. The cubic root of 74312352 is about 420.4235183685.

Adding to 74312352 its reverse (25321347), we get a palindrome (99633699).

The spelling of 74312352 in words is "seventy-four million, three hundred twelve thousand, three hundred fifty-two".