72607499872 has 48 divisors (see below), whose sum is σ = 143587315872. Its totient is φ = 36141076480.

The previous prime is 72607499827. The next prime is 72607499873. The reversal of 72607499872 is 27899470627.

It is a self number, because there is not a number n which added to its sum of digits gives 72607499872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72607499873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23874672 + ... + 23877712.

It is an arithmetic number, because the mean of its divisors is an integer number (2991402414).

Almost surely, 2^72607499872 is an apocalyptic number.

It is an amenable number.

72607499872 is a deficient number, since it is larger than the sum of its proper divisors (70979816000).

72607499872 is a wasteful number, since it uses less digits than its factorization.

72607499872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151 (or 6143 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 72607499872 in words is "seventy-two billion, six hundred seven million, four hundred ninety-nine thousand, eight hundred seventy-two".