74078332558431 has 16 divisors (see below), whose sum is σ = 99680340148224. Its totient is φ = 48931967385504.

The previous prime is 74078332558361. The next prime is 74078332558579. The reversal of 74078332558431 is 13485523387047.

It is not a de Polignac number, because 74078332558431 - 2⁹ = 74078332557919 is a prime.

It is a super-2 number, since 2×74078332558431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74078332558831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128133855 + ... + 128710688.

It is an arithmetic number, because the mean of its divisors is an integer number (6230021259264).

Almost surely, 2^{74078332558431} is an apocalyptic number.

74078332558431 is a deficient number, since it is larger than the sum of its proper divisors (25602007589793).

74078332558431 is a wasteful number, since it uses less digits than its factorization.

74078332558431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256845430.

The product of its (nonzero) digits is 67737600, while the sum is 60.

The spelling of 74078332558431 in words is "seventy-four trillion, seventy-eight billion, three hundred thirty-two million, five hundred fifty-eight thousand, four hundred thirty-one".