673989874 has 8 divisors (see below), whose sum is σ = 1024834140. Its totient is φ = 332378496.

The previous prime is 673989829. The next prime is 673989893. The reversal of 673989874 is 478989376.

It can be written as a sum of positive squares in 2 ways, for example, as 673039249 + 950625 = 25943^2 + 975^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2308039 + ... + 2308330.

Almost surely, 2^673989874 is an apocalyptic number.

673989874 is a deficient number, since it is larger than the sum of its proper divisors (350844266).

673989874 is a wasteful number, since it uses less digits than its factorization.

673989874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616444.

The product of its digits is 18289152, while the sum is 61.

The square root of 673989874 is about 25961.3149512886. The cubic root of 673989874 is about 876.7675287352.

The spelling of 673989874 in words is "six hundred seventy-three million, nine hundred eighty-nine thousand, eight hundred seventy-four".