74393125212388 has 24 divisors (see below), whose sum is σ = 137971742415192. Its totient is φ = 34976616505344.

The previous prime is 74393125212377. The next prime is 74393125212391. The reversal of 74393125212388 is 88321252139347.

It can be written as a sum of positive squares in 4 ways, for example, as 8535875110884 + 65857250101504 = 2921622^2 + 8115248^2 .

It is a super-2 number, since 2×74393125212388² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498565581 + ... + 498714772.

It is an arithmetic number, because the mean of its divisors is an integer number (5748822600633).

Almost surely, 2^{74393125212388} is an apocalyptic number.

It is an amenable number.

74393125212388 is a deficient number, since it is larger than the sum of its proper divisors (63578617202804).

74393125212388 is a wasteful number, since it uses less digits than its factorization.

74393125212388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997281471 (or 997281469 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 74393125212388 in words is "seventy-four trillion, three hundred ninety-three billion, one hundred twenty-five million, two hundred twelve thousand, three hundred eighty-eight".