690913530 has 64 divisors (see below), whose sum is σ = 1939420800. Its totient is φ = 174545280.

The previous prime is 690913513. The next prime is 690913547. The reversal of 690913530 is 35319096.

It is an interprime number because it is at equal distance from previous prime (690913513) and next prime (690913547).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62211 + ... + 72470.

It is an arithmetic number, because the mean of its divisors is an integer number (30303450).

Almost surely, 2^690913530 is an apocalyptic number.

690913530 is an abundant number, since it is smaller than the sum of its proper divisors (1248507270).

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

690913530 is a wasteful number, since it uses less digits than its factorization.

690913530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134716 (or 134710 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 690913530 is about 26285.2340678184. The cubic root of 690913530 is about 884.0453941255.

The spelling of 690913530 in words is "six hundred ninety million, nine hundred thirteen thousand, five hundred thirty".