30472866 has 24 divisors (see below), whose sum is σ = 66278784. Its totient is φ = 10118520.

The previous prime is 30472847. The next prime is 30472889. The reversal of 30472866 is 66827403.

It is a self number, because there is not a number n which added to its sum of digits gives 30472866.

It is an unprimeable number.

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, 1755 + ... + 8001.

It is an arithmetic number, because the mean of its divisors is an integer number (2761616).

Almost surely, 2^30472866 is an apocalyptic number.

30472866 is an abundant number, since it is smaller than the sum of its proper divisors (35805918).

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

30472866 is a wasteful number, since it uses less digits than its factorization.

30472866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526 (or 6523 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 30472866 is about 5520.2233650460. The cubic root of 30472866 is about 312.3473080180.

The spelling of 30472866 in words is "thirty million, four hundred seventy-two thousand, eight hundred sixty-six".