75225755776 has 32 divisors (see below), whose sum is σ = 157751384400. Its totient is φ = 35633251584.

The previous prime is 75225755743. The next prime is 75225755819. The reversal of 75225755776 is 67755752257.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 75225755776.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15463390 + ... + 15468253.

Almost surely, 2^75225755776 is an apocalyptic number.

75225755776 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

75225755776 is an abundant number, since it is smaller than the sum of its proper divisors (82525628624).

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

75225755776 is a wasteful number, since it uses less digits than its factorization.

75225755776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30931676 (or 30931664 counting only the distinct ones).

The product of its digits is 36015000, while the sum is 58.

The spelling of 75225755776 in words is "seventy-five billion, two hundred twenty-five million, seven hundred fifty-five thousand, seven hundred seventy-six".