673398794 has 4 divisors (see below), whose sum is σ = 1010098194. Its totient is φ = 336699396.

The previous prime is 673398787. The next prime is 673398823. The reversal of 673398794 is 497893376.

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., 562875625 + 110523169 = 23725^2 + 10513^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168349697 + ... + 168349700.

Almost surely, 2^673398794 is an apocalyptic number.

673398794 is a deficient number, since it is larger than the sum of its proper divisors (336699400).

673398794 is a wasteful number, since it uses less digits than its factorization.

673398794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336699399.

The product of its digits is 6858432, while the sum is 56.

The square root of 673398794 is about 25949.9285933507. The cubic root of 673398794 is about 876.5111493537.

The spelling of 673398794 in words is "six hundred seventy-three million, three hundred ninety-eight thousand, seven hundred ninety-four".