75931366745 has 16 divisors (see below), whose sum is σ = 103898849040. Its totient is φ = 52774017024.

The previous prime is 75931366697. The next prime is 75931366829. The reversal of 75931366745 is 54766313957.

It can be written as a sum of positive squares in 8 ways, for example, as 1328092249 + 74603274496 = 36443^2 + 273136^2 .

It is a cyclic number.

It is not a de Polignac number, because 75931366745 - 2¹⁴ = 75931350361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34356980 + ... + 34359189.

It is an arithmetic number, because the mean of its divisors is an integer number (6493678065).

Almost surely, 2^75931366745 is an apocalyptic number.

It is an amenable number.

75931366745 is a deficient number, since it is larger than the sum of its proper divisors (27967482295).

75931366745 is a wasteful number, since it uses less digits than its factorization.

75931366745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68716204.

The product of its digits is 14288400, while the sum is 56.

The spelling of 75931366745 in words is "seventy-five billion, nine hundred thirty-one million, three hundred sixty-six thousand, seven hundred forty-five".