30904722 has 24 divisors (see below), whose sum is σ = 67129920. Its totient is φ = 10275480.

The previous prime is 30904711. The next prime is 30904723. The reversal of 30904722 is 22740903.

It is not an unprimeable number, because it can be changed into a prime (30904723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5947 + ... + 9857.

It is an arithmetic number, because the mean of its divisors is an integer number (2797080).

Almost surely, 2^30904722 is an apocalyptic number.

30904722 is an abundant number, since it is smaller than the sum of its proper divisors (36225198).

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

30904722 is a wasteful number, since it uses less digits than its factorization.

30904722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30904722 is about 5559.2015613755. The cubic root of 30904722 is about 313.8159022001.

It can be divided in two parts, 30904 and 722, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 30904722 in words is "thirty million, nine hundred four thousand, seven hundred twenty-two".