30872672980 has 24 divisors (see below), whose sum is σ = 65745751680. Its totient is φ = 12175138080.

The previous prime is 30872672927. The next prime is 30872672981. The reversal of 30872672980 is 8927627803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30872672981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10869240 + ... + 10872079.

It is an arithmetic number, because the mean of its divisors is an integer number (2739406320).

Almost surely, 2^30872672980 is an apocalyptic number.

It is an amenable number.

30872672980 is an abundant number, since it is smaller than the sum of its proper divisors (34873078700).

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

30872672980 is a wasteful number, since it uses less digits than its factorization.

30872672980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21741399 (or 21741397 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 30872672980 in words is "thirty billion, eight hundred seventy-two million, six hundred seventy-two thousand, nine hundred eighty".