674679634 has 4 divisors (see below), whose sum is σ = 1012019454. Its totient is φ = 337339816.

The previous prime is 674679623. The next prime is 674679637. The reversal of 674679634 is 436976476.

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., 501625609 + 173054025 = 22397^2 + 13155^2 .

It is not an unprimeable number, because it can be changed into a prime (674679637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168669907 + ... + 168669910.

Almost surely, 2^674679634 is an apocalyptic number.

674679634 is a deficient number, since it is larger than the sum of its proper divisors (337339820).

674679634 is a wasteful number, since it uses less digits than its factorization.

674679634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337339819.

The product of its digits is 4572288, while the sum is 52.

The square root of 674679634 is about 25974.5959352595. The cubic root of 674679634 is about 877.0665208556.

The spelling of 674679634 in words is "six hundred seventy-four million, six hundred seventy-nine thousand, six hundred thirty-four".