74638664372182 has 32 divisors (see below), whose sum is σ = 112536503712000. Its totient is φ = 37127069690208.

The previous prime is 74638664372117. The next prime is 74638664372219. The reversal of 74638664372182 is 28127346683647.

It is a super-2 number, since 2×74638664372182² (a number of 29 digits) 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 15 ways as a sum of consecutive naturals, for example, 686739228 + ... + 686847904.

It is an arithmetic number, because the mean of its divisors is an integer number (3516765741000).

Almost surely, 2^{74638664372182} is an apocalyptic number.

74638664372182 is a deficient number, since it is larger than the sum of its proper divisors (37897839339818).

74638664372182 is a wasteful number, since it uses less digits than its factorization.

74638664372182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111300.

The product of its digits is 390168576, while the sum is 67.

The spelling of 74638664372182 in words is "seventy-four trillion, six hundred thirty-eight billion, six hundred sixty-four million, three hundred seventy-two thousand, one hundred eighty-two".