30873612 has 48 divisors (see below), whose sum is σ = 89816832. Its totient is φ = 8018880.

The previous prime is 30873599. The next prime is 30873617. The reversal of 30873612 is 21637803.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30873612.

It is not an unprimeable number, because it can be changed into a prime (30873617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15783 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (1871184).

Almost surely, 2^30873612 is an apocalyptic number.

It is an amenable number.

30873612 is an abundant number, since it is smaller than the sum of its proper divisors (58943220).

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

30873612 is a wasteful number, since it uses less digits than its factorization.

30873612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33438 (or 33436 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 30873612 is about 5556.4027931747. The cubic root of 30873612 is about 313.7105667281.

It can be divided in two parts, 308 and 73612, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 30873612 in words is "thirty million, eight hundred seventy-three thousand, six hundred twelve".