74970916 has 12 divisors (see below), whose sum is σ = 135723420. Its totient is φ = 36192800.

The previous prime is 74970893. The next prime is 74970937. The reversal of 74970916 is 61907947.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53348416 + 21622500 = 7304^2 + 4650^2 .

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, 323035 + ... + 323266.

It is an arithmetic number, because the mean of its divisors is an integer number (11310285).

Almost surely, 2^74970916 is an apocalyptic number.

It is an amenable number.

74970916 is a deficient number, since it is larger than the sum of its proper divisors (60752504).

74970916 is a wasteful number, since it uses less digits than its factorization.

74970916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646334 (or 646332 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 74970916 is about 8658.5747095004. The cubic root of 74970916 is about 421.6618136127.

The spelling of 74970916 in words is "seventy-four million, nine hundred seventy thousand, nine hundred sixteen".