74932816 has 40 divisors (see below), whose sum is σ = 166328640. Its totient is φ = 32035584.

The previous prime is 74932783. The next prime is 74932817. The reversal of 74932816 is 61823947.

It is a super-2 number, since 2×74932816² = 11229853827379712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74932817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90195 + ... + 91021.

It is an arithmetic number, because the mean of its divisors is an integer number (4158216).

Almost surely, 2^74932816 is an apocalyptic number.

It is an amenable number.

74932816 is an abundant number, since it is smaller than the sum of its proper divisors (91395824).

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

74932816 is a wasteful number, since it uses less digits than its factorization.

74932816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1645 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 74932816 is about 8656.3742987466. The cubic root of 74932816 is about 421.5903724096.

The spelling of 74932816 in words is "seventy-four million, nine hundred thirty-two thousand, eight hundred sixteen".