74640004424 has 32 divisors (see below), whose sum is σ = 144813382200. Its totient is φ = 36023769600.

The previous prime is 74640004421. The next prime is 74640004441. The reversal of 74640004424 is 42440004647.

It can be written as a sum of positive squares in 4 ways, for example, as 71262302500 + 3377701924 = 266950^2 + 58118^2 .

It is a super-2 number, since 2×74640004424² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74640004421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901574 + ... + 980874.

Almost surely, 2^74640004424 is an apocalyptic number.

It is an amenable number.

74640004424 is a deficient number, since it is larger than the sum of its proper divisors (70173377776).

74640004424 is a wasteful number, since it uses less digits than its factorization.

74640004424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83393 (or 83389 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 35.

The spelling of 74640004424 in words is "seventy-four billion, six hundred forty million, four thousand, four hundred twenty-four".