72607073331 has 16 divisors (see below), whose sum is σ = 104262658304. Its totient is φ = 44678555424.

The previous prime is 72607073303. The next prime is 72607073333. The reversal of 72607073331 is 13337070627.

It is not a de Polignac number, because 72607073331 - 2⁶ = 72607073267 is a prime.

It is a super-2 number, since 2×72607073331² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72607073331.

It is not an unprimeable number, because it can be changed into a prime (72607073333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730440 + ... + 823866.

It is an arithmetic number, because the mean of its divisors is an integer number (6516416144).

Almost surely, 2^72607073331 is an apocalyptic number.

72607073331 is a deficient number, since it is larger than the sum of its proper divisors (31655584973).

72607073331 is a wasteful number, since it uses less digits than its factorization.

72607073331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113370.

The product of its (nonzero) digits is 111132, while the sum is 39.

The spelling of 72607073331 in words is "seventy-two billion, six hundred seven million, seventy-three thousand, three hundred thirty-one".