30786375472 has 20 divisors (see below), whose sum is σ = 62242020720. Its totient is φ = 14723918528.

The previous prime is 30786375443. The next prime is 30786375481. The reversal of 30786375472 is 27457368703.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41828947 + ... + 41829682.

It is an arithmetic number, because the mean of its divisors is an integer number (3112101036).

Almost surely, 2^30786375472 is an apocalyptic number.

It is an amenable number.

30786375472 is an abundant number, since it is smaller than the sum of its proper divisors (31455645248).

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

30786375472 is a wasteful number, since it uses less digits than its factorization.

30786375472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83658660 (or 83658654 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 52.

The spelling of 30786375472 in words is "thirty billion, seven hundred eighty-six million, three hundred seventy-five thousand, four hundred seventy-two".