74918912 has 44 divisors (see below), whose sum is σ = 156325296. Its totient is φ = 35819520.

The previous prime is 74918897. The next prime is 74918917. The reversal of 74918912 is 21981947.

It is a super-2 number, since 2×74918912² = 11225686750527488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74918912.

It is not an unprimeable number, because it can be changed into a prime (74918917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21962 + ... + 25142.

Almost surely, 2^74918912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74918912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78162648).

74918912 is an abundant number, since it is smaller than the sum of its proper divisors (81406384).

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

74918912 is a wasteful number, since it uses less digits than its factorization.

74918912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224 (or 3206 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 74918912 is about 8655.5711538870. The cubic root of 74918912 is about 421.5642950270.

The spelling of 74918912 in words is "seventy-four million, nine hundred eighteen thousand, nine hundred twelve".