30137008 has 20 divisors (see below), whose sum is σ = 63699048. Its totient is φ = 13698560.

The previous prime is 30136979. The next prime is 30137017. The reversal of 30137008 is 80073103.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a self number, because there is not a number n which added to its sum of digits gives 30137008.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85441 + ... + 85792.

Almost surely, 2^30137008 is an apocalyptic number.

It is an amenable number.

30137008 is an abundant number, since it is smaller than the sum of its proper divisors (33562040).

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

30137008 is a wasteful number, since it uses less digits than its factorization.

30137008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171252 (or 171246 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 30137008 is about 5489.7183898630. The cubic root of 30137008 is about 311.1955497939.

The spelling of 30137008 in words is "thirty million, one hundred thirty-seven thousand, eight".