30507966 has 48 divisors (see below), whose sum is σ = 68183856. Its totient is φ = 9854208.

The previous prime is 30507931. The next prime is 30507973. The reversal of 30507966 is 66970503.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30507966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107661 + ... + 107943.

It is an arithmetic number, because the mean of its divisors is an integer number (1420497).

Almost surely, 2^30507966 is an apocalyptic number.

30507966 is an abundant number, since it is smaller than the sum of its proper divisors (37675890).

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

30507966 is a wasteful number, since it uses less digits than its factorization.

30507966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 30507966 is about 5523.4016692614. The cubic root of 30507966 is about 312.4671871681.

The spelling of 30507966 in words is "thirty million, five hundred seven thousand, nine hundred sixty-six".