30572786874 has 48 divisors (see below), whose sum is σ = 74872144800. Its totient is φ = 8275339296.

The previous prime is 30572786857. The next prime is 30572786879. The reversal of 30572786874 is 47868727503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (30572786879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2730969 + ... + 2742140.

It is an arithmetic number, because the mean of its divisors is an integer number (1559836350).

Almost surely, 2^30572786874 is an apocalyptic number.

30572786874 is an abundant number, since it is smaller than the sum of its proper divisors (44299357926).

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

30572786874 is a wasteful number, since it uses less digits than its factorization.

30572786874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473147 (or 5473140 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 30572786874 in words is "thirty billion, five hundred seventy-two million, seven hundred eighty-six thousand, eight hundred seventy-four".