30007917372 has 24 divisors (see below), whose sum is σ = 70021881216. Its totient is φ = 10002152368.

The previous prime is 30007917367. The next prime is 30007917389. The reversal of 30007917372 is 27371970003.

It is a self number, because there is not a number n which added to its sum of digits gives 30007917372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266443 + ... + 361949.

It is an arithmetic number, because the mean of its divisors is an integer number (2917578384).

Almost surely, 2^30007917372 is an apocalyptic number.

It is an amenable number.

30007917372 is an abundant number, since it is smaller than the sum of its proper divisors (40013963844).

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

30007917372 is a wasteful number, since it uses less digits than its factorization.

30007917372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121697 (or 121695 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 39.

The spelling of 30007917372 in words is "thirty billion, seven million, nine hundred seventeen thousand, three hundred seventy-two".