74131276928 has 16 divisors (see below), whose sum is σ = 147683403510. Its totient is φ = 37065638400.

The previous prime is 74131276927. The next prime is 74131276949. The reversal of 74131276928 is 82967213147.

It can be written as a sum of positive squares in only one way, i.e., 73892636224 + 238640704 = 271832^2 + 15448^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×74131276928³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (74131276927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289575173 + ... + 289575428.

Almost surely, 2^74131276928 is an apocalyptic number.

It is an amenable number.

74131276928 is a deficient number, since it is larger than the sum of its proper divisors (73552126582).

74131276928 is an equidigital number, since it uses as much as digits as its factorization.

74131276928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579150615 (or 579150603 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The spelling of 74131276928 in words is "seventy-four billion, one hundred thirty-one million, two hundred seventy-six thousand, nine hundred twenty-eight".