674964479 has 4 divisors (see below), whose sum is σ = 771387984. Its totient is φ = 578540976.

The previous prime is 674964467. The next prime is 674964527. The reversal of 674964479 is 974469476.

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

It is a cyclic number.

It is not a de Polignac number, because 674964479 - 2¹² = 674960383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674964179) 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, 48211742 + ... + 48211755.

It is an arithmetic number, because the mean of its divisors is an integer number (192846996).

Almost surely, 2^674964479 is an apocalyptic number.

674964479 is a deficient number, since it is larger than the sum of its proper divisors (96423505).

674964479 is an equidigital number, since it uses as much as digits as its factorization.

674964479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96423504.

The product of its digits is 9144576, while the sum is 56.

The square root of 674964479 is about 25980.0785025758. The cubic root of 674964479 is about 877.1899339296.

The spelling of 674964479 in words is "six hundred seventy-four million, nine hundred sixty-four thousand, four hundred seventy-nine".