74197984 has 24 divisors (see below), whose sum is σ = 166945968. Its totient is φ = 31799040.

The previous prime is 74197957. The next prime is 74197993. The reversal of 74197984 is 48979147.

It is a congruent number.

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, 165397 + ... + 165844.

It is an arithmetic number, because the mean of its divisors is an integer number (6956082).

Almost surely, 2^74197984 is an apocalyptic number.

It is an amenable number.

74197984 is an abundant number, since it is smaller than the sum of its proper divisors (92747984).

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

74197984 is a wasteful number, since it uses less digits than its factorization.

74197984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331258 (or 331250 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 74197984 is about 8613.8251665564. The cubic root of 74197984 is about 420.2077279307.

The spelling of 74197984 in words is "seventy-four million, one hundred ninety-seven thousand, nine hundred eighty-four".