30942472870 has 32 divisors (see below), whose sum is σ = 55856376576. Its totient is φ = 12341503200.

The previous prime is 30942472859. The next prime is 30942472877. The reversal of 30942472870 is 7827424903.

It is a self number, because there is not a number n which added to its sum of digits gives 30942472870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30942472877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6227127 + ... + 6232093.

It is an arithmetic number, because the mean of its divisors is an integer number (1745511768).

Almost surely, 2^30942472870 is an apocalyptic number.

30942472870 is a deficient number, since it is larger than the sum of its proper divisors (24913903706).

30942472870 is a wasteful number, since it uses less digits than its factorization.

30942472870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 30942472870 in words is "thirty billion, nine hundred forty-two million, four hundred seventy-two thousand, eight hundred seventy".