74122654844 has 24 divisors (see below), whose sum is σ = 149630785920. Its totient is φ = 31469964336.

The previous prime is 74122654817. The next prime is 74122654849. The reversal of 74122654844 is 44845622147.

It is a super-2 number, since 2×74122654844² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74122654849) by changing a digit.

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, 12367274 + ... + 12373265.

It is an arithmetic number, because the mean of its divisors is an integer number (6234616080).

Almost surely, 2^74122654844 is an apocalyptic number.

It is an amenable number.

74122654844 is an abundant number, since it is smaller than the sum of its proper divisors (75508131076).

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

74122654844 is a wasteful number, since it uses less digits than its factorization.

74122654844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24740657 (or 24740655 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 47.

The spelling of 74122654844 in words is "seventy-four billion, one hundred twenty-two million, six hundred fifty-four thousand, eight hundred forty-four".