72580431104 has 36 divisors (see below), whose sum is σ = 144926876640. Its totient is φ = 36277808640.

The previous prime is 72580431089. The next prime is 72580431107. The reversal of 72580431104 is 40113408527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72580431107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725909 + ... + 819819.

Almost surely, 2^72580431104 is an apocalyptic number.

It is an amenable number.

72580431104 is a deficient number, since it is larger than the sum of its proper divisors (72346445536).

72580431104 is an equidigital number, since it uses as much as digits as its factorization.

72580431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96946 (or 96932 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 72580431104 in words is "seventy-two billion, five hundred eighty million, four hundred thirty-one thousand, one hundred four".