690462875 has 32 divisors (see below), whose sum is σ = 906242688. Its totient is φ = 524198400.

The previous prime is 690462863. The next prime is 690462881. The reversal of 690462875 is 578264096.

It is not a de Polignac number, because 690462875 - 2¹² = 690458779 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 392999 + ... + 394751.

It is an arithmetic number, because the mean of its divisors is an integer number (28320084).

Almost surely, 2^690462875 is an apocalyptic number.

690462875 is a deficient number, since it is larger than the sum of its proper divisors (215779813).

690462875 is a wasteful number, since it uses less digits than its factorization.

690462875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 690462875 is about 26276.6602710466. The cubic root of 690462875 is about 883.8531432812.

The spelling of 690462875 in words is "six hundred ninety million, four hundred sixty-two thousand, eight hundred seventy-five".