74421722531148 has 12 divisors (see below), whose sum is σ = 173650685906040. Its totient is φ = 24807240843712.

The previous prime is 74421722531137. The next prime is 74421722531153. The reversal of 74421722531148 is 84113522712447.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 74421722531148.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3100905105453 + ... + 3100905105476.

It is an arithmetic number, because the mean of its divisors is an integer number (14470890492170).

Almost surely, 2^{74421722531148} is an apocalyptic number.

It is an amenable number.

74421722531148 is an abundant number, since it is smaller than the sum of its proper divisors (99228963374892).

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

74421722531148 is a wasteful number, since it uses less digits than its factorization.

74421722531148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6201810210936 (or 6201810210934 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 51.

The spelling of 74421722531148 in words is "seventy-four trillion, four hundred twenty-one billion, seven hundred twenty-two million, five hundred thirty-one thousand, one hundred forty-eight".