476686673 has 4 divisors (see below), whose sum is σ = 478664868. Its totient is φ = 474708480.

The previous prime is 476686633. The next prime is 476686699. The reversal of 476686673 is 376686674.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 326452624 + 150234049 = 18068^2 + 12257^2 .

It is a cyclic number.

It is not a de Polignac number, because 476686673 - 2⁸ = 476686417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476686603) 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, 988736 + ... + 989217.

It is an arithmetic number, because the mean of its divisors is an integer number (119666217).

Almost surely, 2^476686673 is an apocalyptic number.

It is an amenable number.

476686673 is a deficient number, since it is larger than the sum of its proper divisors (1978195).

476686673 is a wasteful number, since it uses less digits than its factorization.

476686673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978194.

The product of its digits is 6096384, while the sum is 53.

The square root of 476686673 is about 21833.1553605978. The cubic root of 476686673 is about 781.1678063673.

Subtracting from 476686673 its reverse (376686674), we obtain a palindrome (99999999).

The spelling of 476686673 in words is "four hundred seventy-six million, six hundred eighty-six thousand, six hundred seventy-three".