74905166 has 16 divisors (see below), whose sum is σ = 128741856. Its totient is φ = 32018976.

The previous prime is 74905151. The next prime is 74905189. The reversal of 74905166 is 66150947.

It is a super-2 number, since 2×74905166² = 11221567786975112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 12296.

It is an arithmetic number, because the mean of its divisors is an integer number (8046366).

Almost surely, 2^74905166 is an apocalyptic number.

74905166 is a deficient number, since it is larger than the sum of its proper divisors (53836690).

74905166 is a wasteful number, since it uses less digits than its factorization.

74905166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13883.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 74905166 is about 8654.7770624089. Note that the first 3 decimals coincide. The cubic root of 74905166 is about 421.5385108065.

The spelling of 74905166 in words is "seventy-four million, nine hundred five thousand, one hundred sixty-six".