30625668 has 24 divisors (see below), whose sum is σ = 79400160. Its totient is φ = 10208520.

The previous prime is 30625667. The next prime is 30625681. The reversal of 30625668 is 86652603.

30625668 is a `hidden beast` number, since 30 + 62 + 566 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30625667) 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 7 ways as a sum of consecutive naturals, for example, 141678 + ... + 141893.

It is an arithmetic number, because the mean of its divisors is an integer number (3308340).

Almost surely, 2^30625668 is an apocalyptic number.

It is an amenable number.

30625668 is an abundant number, since it is smaller than the sum of its proper divisors (48774492).

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

30625668 is a wasteful number, since it uses less digits than its factorization.

30625668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283584 (or 283576 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 30625668 is about 5534.0462592935. The cubic root of 30625668 is about 312.8685120389.

The spelling of 30625668 in words is "thirty million, six hundred twenty-five thousand, six hundred sixty-eight".