72385385130 has 40 divisors (see below), whose sum is σ = 194636259972. Its totient is φ = 19302769152.

The previous prime is 72385385123. The next prime is 72385385141. The reversal of 72385385130 is 3158358327.

72385385130 is a `hidden beast` number, since 7 + 2 + 38 + 538 + 51 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60461400321 + 11923984809 = 245889^2 + 109197^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44681527 + ... + 44683146.

Almost surely, 2^72385385130 is an apocalyptic number.

72385385130 is an abundant number, since it is smaller than the sum of its proper divisors (122250874842).

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

72385385130 is a wasteful number, since it uses less digits than its factorization.

72385385130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89364692 (or 89364683 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 72385385130 in words is "seventy-two billion, three hundred eighty-five million, three hundred eighty-five thousand, one hundred thirty".