74938986 has 32 divisors (see below), whose sum is σ = 171036480. Its totient is φ = 24303888.

The previous prime is 74938973. The next prime is 74938993. The reversal of 74938986 is 68983947.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16756 + ... + 20751.

It is an arithmetic number, because the mean of its divisors is an integer number (5344890).

Almost surely, 2^74938986 is an apocalyptic number.

74938986 is an abundant number, since it is smaller than the sum of its proper divisors (96097494).

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

74938986 is a wasteful number, since it uses less digits than its factorization.

74938986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37555 (or 37549 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 74938986 is about 8656.7306761849. The cubic root of 74938986 is about 421.6019434023.

The spelling of 74938986 in words is "seventy-four million, nine hundred thirty-eight thousand, nine hundred eighty-six".