74985940 has 24 divisors (see below), whose sum is σ = 159691392. Its totient is φ = 29571360.

The previous prime is 74985919. The next prime is 74985941. The reversal of 74985940 is 4958947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74985941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24984 + ... + 27823.

It is an arithmetic number, because the mean of its divisors is an integer number (6653808).

Almost surely, 2^74985940 is an apocalyptic number.

It is an amenable number.

74985940 is an abundant number, since it is smaller than the sum of its proper divisors (84705452).

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

74985940 is a wasteful number, since it uses less digits than its factorization.

74985940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52887 (or 52885 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 74985940 is about 8659.4422453181. The cubic root of 74985940 is about 421.6899784189.

The spelling of 74985940 in words is "seventy-four million, nine hundred eighty-five thousand, nine hundred forty".