75921514045 has 16 divisors (see below), whose sum is σ = 100506983472. Its totient is φ = 54697674240.

The previous prime is 75921514033. The next prime is 75921514063. The reversal of 75921514045 is 54041512957.

It can be written as a sum of positive squares in 8 ways, for example, as 30107108196 + 45814405849 = 173514^2 + 214043^2 .

It is not a de Polignac number, because 75921514045 - 2²⁵ = 75887959613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75921513992 and 75921514010.

It is a congruent number.

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, 14241522 + ... + 14246851.

It is an arithmetic number, because the mean of its divisors is an integer number (6281686467).

Almost surely, 2^75921514045 is an apocalyptic number.

It is an amenable number.

75921514045 is a deficient number, since it is larger than the sum of its proper divisors (24585469427).

75921514045 is a wasteful number, since it uses less digits than its factorization.

75921514045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488432.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 75921514045 in words is "seventy-five billion, nine hundred twenty-one million, five hundred fourteen thousand, forty-five".