74005997796 has 72 divisors (see below), whose sum is σ = 199169510904. Its totient is φ = 23089259520.

The previous prime is 74005997749. The next prime is 74005997827. The reversal of 74005997796 is 69779950047.

74005997796 is a `hidden beast` number, since 7 + 400 + 59 + 97 + 7 + 96 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 236196 + 74005761600 = 486^2 + 272040^2 .

It is a super-3 number, since 3×74005997796³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 223275 + ... + 444818.

It is an arithmetic number, because the mean of its divisors is an integer number (2766243207).

Almost surely, 2^74005997796 is an apocalyptic number.

It is an amenable number.

74005997796 is an abundant number, since it is smaller than the sum of its proper divisors (125163513108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74005997796 is a wasteful number, since it uses less digits than its factorization.

74005997796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668301 (or 668296 counting only the distinct ones).

The product of its (nonzero) digits is 30005640, while the sum is 63.

The spelling of 74005997796 in words is "seventy-four billion, five million, nine hundred ninety-seven thousand, seven hundred ninety-six".