74790544 has 20 divisors (see below), whose sum is σ = 146893996. Its totient is φ = 36882432.

The previous prime is 74790533. The next prime is 74790557. The reversal of 74790544 is 44509747.

It can be written as a sum of positive squares in 2 ways, for example, as 60652944 + 14137600 = 7788^2 + 3760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74790497 and 74790506.

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, 30849 + ... + 33184.

Almost surely, 2^74790544 is an apocalyptic number.

It is an amenable number.

74790544 is a deficient number, since it is larger than the sum of its proper divisors (72103452).

74790544 is a wasteful number, since it uses less digits than its factorization.

74790544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64114 (or 64108 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 74790544 is about 8648.1526351007. The cubic root of 74790544 is about 421.3233843277.

The spelling of 74790544 in words is "seventy-four million, seven hundred ninety thousand, five hundred forty-four".