74019986 has 8 divisors (see below), whose sum is σ = 111135024. Its totient is φ = 36974980.

The previous prime is 74019961. The next prime is 74019997. The reversal of 74019986 is 68991047.

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

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, 14780 + ... + 19143.

It is an arithmetic number, because the mean of its divisors is an integer number (13891878).

Almost surely, 2^74019986 is an apocalyptic number.

74019986 is a deficient number, since it is larger than the sum of its proper divisors (37115038).

74019986 is a wasteful number, since it uses less digits than its factorization.

74019986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35016.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 74019986 is about 8603.4868512714. The cubic root of 74019986 is about 419.8714383536.

The spelling of 74019986 in words is "seventy-four million, nineteen thousand, nine hundred eighty-six".