74991106755 has 48 divisors (see below), whose sum is σ = 132997269600. Its totient is φ = 39078526464.

The previous prime is 74991106733. The next prime is 74991106781. The reversal of 74991106755 is 55760119947.

It is not a de Polignac number, because 74991106755 - 2⁷ = 74991106627 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 244821 + ... + 458169.

It is an arithmetic number, because the mean of its divisors is an integer number (2770776450).

Almost surely, 2^74991106755 is an apocalyptic number.

74991106755 is a deficient number, since it is larger than the sum of its proper divisors (58006162845).

74991106755 is a wasteful number, since it uses less digits than its factorization.

74991106755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213540 (or 213537 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 74991106755 in words is "seventy-four billion, nine hundred ninety-one million, one hundred six thousand, seven hundred fifty-five".