74268428428 has 24 divisors (see below), whose sum is σ = 138126643200. Its totient is φ = 34819915008.

The previous prime is 74268428401. The next prime is 74268428441. The reversal of 74268428428 is 82482486247.

It is a super-2 number, since 2×74268428428² (a number of 23 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, 2011788 + ... + 2048371.

It is an arithmetic number, because the mean of its divisors is an integer number (5755276800).

Almost surely, 2^74268428428 is an apocalyptic number.

It is an amenable number.

74268428428 is a deficient number, since it is larger than the sum of its proper divisors (63858214772).

74268428428 is a wasteful number, since it uses less digits than its factorization.

74268428428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060449 (or 4060447 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 55.

The spelling of 74268428428 in words is "seventy-four billion, two hundred sixty-eight million, four hundred twenty-eight thousand, four hundred twenty-eight".