75904036640 has 48 divisors (see below), whose sum is σ = 180999245952. Its totient is φ = 30077854464.

The previous prime is 75904036597. The next prime is 75904036651. The reversal of 75904036640 is 4663040957.

It is a super-2 number, since 2×75904036640² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75904036591 and 75904036600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2199704 + ... + 2233943.

It is an arithmetic number, because the mean of its divisors is an integer number (3770817624).

Almost surely, 2^75904036640 is an apocalyptic number.

It is an amenable number.

75904036640 is an abundant number, since it is smaller than the sum of its proper divisors (105095209312).

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

75904036640 is a wasteful number, since it uses less digits than its factorization.

75904036640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433769 (or 4433761 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 75904036640 in words is "seventy-five billion, nine hundred four million, thirty-six thousand, six hundred forty".