474856657 has 4 divisors (see below), whose sum is σ = 518025456. Its totient is φ = 431687860.

The previous prime is 474856639. The next prime is 474856663. The reversal of 474856657 is 756658474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 474856657 - 2¹¹ = 474854609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474856687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21584383 + ... + 21584404.

It is an arithmetic number, because the mean of its divisors is an integer number (129506364).

Almost surely, 2^474856657 is an apocalyptic number.

It is an amenable number.

474856657 is a deficient number, since it is larger than the sum of its proper divisors (43168799).

474856657 is a wasteful number, since it uses less digits than its factorization.

474856657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43168798.

The product of its digits is 5644800, while the sum is 52.

The square root of 474856657 is about 21791.2059556143. The cubic root of 474856657 is about 780.1668813433.

The spelling of 474856657 in words is "four hundred seventy-four million, eight hundred fifty-six thousand, six hundred fifty-seven".