74043536 has 20 divisors (see below), whose sum is σ = 163953792. Its totient is φ = 31732896.

The previous prime is 74043523. The next prime is 74043539. The reversal of 74043536 is 63534047.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74043539) 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, 330440 + ... + 330663.

Almost surely, 2^74043536 is an apocalyptic number.

It is an amenable number.

74043536 is an abundant number, since it is smaller than the sum of its proper divisors (89910256).

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

74043536 is a wasteful number, since it uses less digits than its factorization.

74043536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661118 (or 661112 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 74043536 is about 8604.8553735667. The cubic root of 74043536 is about 419.9159620219.

The spelling of 74043536 in words is "seventy-four million, forty-three thousand, five hundred thirty-six".