74734225988 has 12 divisors (see below), whose sum is σ = 130790232300. Its totient is φ = 37365588192.

The previous prime is 74734225987. The next prime is 74734226011. The reversal of 74734225988 is 88952243747.

It can be written as a sum of positive squares in 2 ways, for example, as 29476769344 + 45257456644 = 171688^2 + 212738^2 .

It is a super-2 number, since 2×74734225988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74734225987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267131 + ... + 469922.

It is an arithmetic number, because the mean of its divisors is an integer number (10899186025).

Almost surely, 2^74734225988 is an apocalyptic number.

It is an amenable number.

74734225988 is a deficient number, since it is larger than the sum of its proper divisors (56056006312).

74734225988 is a wasteful number, since it uses less digits than its factorization.

74734225988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762406 (or 762404 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 59.

The spelling of 74734225988 in words is "seventy-four billion, seven hundred thirty-four million, two hundred twenty-five thousand, nine hundred eighty-eight".