74155042271232 has 156 divisors (see below), whose sum is σ = 230676415266024. Its totient is φ = 22816935936000.

The previous prime is 74155042271213. The next prime is 74155042271267. The reversal of 74155042271232 is 23217224055147.

74155042271232 is a `hidden beast` number, since 7 + 4 + 1 + 550 + 4 + 2 + 2 + 71 + 23 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (156).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76889394 + ... + 77847857.

It is an arithmetic number, because the mean of its divisors is an integer number (1478694969654).

Almost surely, 2^{74155042271232} is an apocalyptic number.

74155042271232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74155042271232 is an abundant number, since it is smaller than the sum of its proper divisors (156521372994792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74155042271232 is a wasteful number, since it uses less digits than its factorization.

74155042271232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154737294 (or 154737269 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 74155042271232 in words is "seventy-four trillion, one hundred fifty-five billion, forty-two million, two hundred seventy-one thousand, two hundred thirty-two".