74247872 has 28 divisors (see below), whose sum is σ = 148123656. Its totient is φ = 36925440.

The previous prime is 74247791. The next prime is 74247881. The reversal of 74247872 is 27874247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9347 + ... + 15357.

Almost surely, 2^74247872 is an apocalyptic number.

It is an amenable number.

74247872 is a deficient number, since it is larger than the sum of its proper divisors (73875784).

74247872 is a wasteful number, since it uses less digits than its factorization.

74247872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216 (or 6206 counting only the distinct ones).

The product of its digits is 175616, while the sum is 41.

The square root of 74247872 is about 8616.7204898383. The cubic root of 74247872 is about 420.3018842470.

The spelling of 74247872 in words is "seventy-four million, two hundred forty-seven thousand, eight hundred seventy-two".