690460473 has 16 divisors (see below), whose sum is σ = 927823680. Its totient is φ = 456713664.

The previous prime is 690460429. The next prime is 690460481. The reversal of 690460473 is 374064096.

It is a de Polignac number, because none of the positive numbers 2^k-690460473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690460493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332683 + ... + 334751.

It is an arithmetic number, because the mean of its divisors is an integer number (57988980).

Almost surely, 2^690460473 is an apocalyptic number.

It is an amenable number.

690460473 is a deficient number, since it is larger than the sum of its proper divisors (237363207).

690460473 is a wasteful number, since it uses less digits than its factorization.

690460473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 690460473 is about 26276.6145650462. The cubic root of 690460473 is about 883.8521183563.

The spelling of 690460473 in words is "six hundred ninety million, four hundred sixty thousand, four hundred seventy-three".