74912404 has 48 divisors (see below), whose sum is σ = 159449472. Its totient is φ = 30062592.

The previous prime is 74912401. The next prime is 74912413. The reversal of 74912404 is 40421947.

It is a super-2 number, since 2×74912404² = 11223736546118432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74912401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160179 + ... + 160645.

It is an arithmetic number, because the mean of its divisors is an integer number (3321864).

Almost surely, 2^74912404 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 74912404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79724736).

74912404 is an abundant number, since it is smaller than the sum of its proper divisors (84537068).

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

74912404 is a wasteful number, since it uses less digits than its factorization.

74912404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 74912404 is about 8655.1952028825. The cubic root of 74912404 is about 421.5520879629.

The spelling of 74912404 in words is "seventy-four million, nine hundred twelve thousand, four hundred four".