474320657 has 4 divisors (see below), whose sum is σ = 475188336. Its totient is φ = 473452980.

The previous prime is 474320629. The next prime is 474320669. The reversal of 474320657 is 756023474.

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 474320657 - 2¹⁸ = 474058513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 474320657.

It is not an unprimeable number, because it can be changed into a prime (474320557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433019 + ... + 434112.

It is an arithmetic number, because the mean of its divisors is an integer number (118797084).

Almost surely, 2^474320657 is an apocalyptic number.

It is an amenable number.

474320657 is a deficient number, since it is larger than the sum of its proper divisors (867679).

474320657 is an equidigital number, since it uses as much as digits as its factorization.

474320657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867678.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 474320657 is about 21778.9039439546. The cubic root of 474320657 is about 779.8732300004.

The spelling of 474320657 in words is "four hundred seventy-four million, three hundred twenty thousand, six hundred fifty-seven".