74697986 has 8 divisors (see below), whose sum is σ = 122233104. Its totient is φ = 33953620.

The previous prime is 74697979. The next prime is 74698031. The reversal of 74697986 is 68979647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74697986² = 11159578224912392, which contains 22 as substring.

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, 1697660 + ... + 1697703.

It is an arithmetic number, because the mean of its divisors is an integer number (15279138).

Almost surely, 2^74697986 is an apocalyptic number.

74697986 is a deficient number, since it is larger than the sum of its proper divisors (47535118).

74697986 is a wasteful number, since it uses less digits than its factorization.

74697986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395376.

The product of its digits is 4572288, while the sum is 56.

The square root of 74697986 is about 8642.7996621465. The cubic root of 74697986 is about 421.1495078553.

The spelling of 74697986 in words is "seventy-four million, six hundred ninety-seven thousand, nine hundred eighty-six".