673406674 has 4 divisors (see below), whose sum is σ = 1010110014. Its totient is φ = 336703336.

The previous prime is 673406659. The next prime is 673406681. The reversal of 673406674 is 476604376.

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

It can be written as a sum of positive squares in only one way, i.e., 667860649 + 5546025 = 25843^2 + 2355^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 673406674.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168351667 + ... + 168351670.

Almost surely, 2^673406674 is an apocalyptic number.

673406674 is a deficient number, since it is larger than the sum of its proper divisors (336703340).

673406674 is a wasteful number, since it uses less digits than its factorization.

673406674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336703339.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 673406674 is about 25950.0804237675. The cubic root of 673406674 is about 876.5145682693.

The spelling of 673406674 in words is "six hundred seventy-three million, four hundred six thousand, six hundred seventy-four".