74043680 has 24 divisors (see below), whose sum is σ = 174928572. Its totient is φ = 29617408.

The previous prime is 74043677. The next prime is 74043701. The reversal of 74043680 is 8634047.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61905424 + 12138256 = 7868^2 + 3484^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231227 + ... + 231546.

Almost surely, 2^74043680 is an apocalyptic number.

It is an amenable number.

74043680 is an abundant number, since it is smaller than the sum of its proper divisors (100884892).

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

74043680 is a wasteful number, since it uses less digits than its factorization.

74043680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462788 (or 462780 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 74043680 is about 8604.8637409316. The cubic root of 74043680 is about 419.9162342395.

The spelling of 74043680 in words is "seventy-four million, forty-three thousand, six hundred eighty".