690460474 has 32 divisors (see below), whose sum is σ = 1211500800. Its totient is φ = 291632640.

The previous prime is 690460429. The next prime is 690460481. The reversal of 690460474 is 474064096.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17862 + ... + 41230.

It is an arithmetic number, because the mean of its divisors is an integer number (37859400).

Almost surely, 2^690460474 is an apocalyptic number.

690460474 is a deficient number, since it is larger than the sum of its proper divisors (521040326).

690460474 is a wasteful number, since it uses less digits than its factorization.

690460474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23478.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 690460474 is about 26276.6145840746. The cubic root of 690460474 is about 883.8521187830.

It can be divided in two parts, 690 and 460474, that added together give a palindrome (461164).

The spelling of 690460474 in words is "six hundred ninety million, four hundred sixty thousand, four hundred seventy-four".