74938166 has 16 divisors (see below), whose sum is σ = 118715760. Its totient is φ = 35379360.

The previous prime is 74938153. The next prime is 74938177. The reversal of 74938166 is 66183947.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8936 + ... + 15156.

It is an arithmetic number, because the mean of its divisors is an integer number (7419735).

Almost surely, 2^74938166 is an apocalyptic number.

74938166 is a deficient number, since it is larger than the sum of its proper divisors (43777594).

74938166 is a wasteful number, since it uses less digits than its factorization.

74938166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6559.

The product of its digits is 217728, while the sum is 44.

The square root of 74938166 is about 8656.6833140643. The cubic root of 74938166 is about 421.6004056408.

The spelling of 74938166 in words is "seventy-four million, nine hundred thirty-eight thousand, one hundred sixty-six".