673670038 has 4 divisors (see below), whose sum is σ = 1010505060. Its totient is φ = 336835018.

The previous prime is 673670027. The next prime is 673670047. The reversal of 673670038 is 830076376.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168417508 + ... + 168417511.

It is an arithmetic number, because the mean of its divisors is an integer number (252626265).

Almost surely, 2^673670038 is an apocalyptic number.

673670038 is a deficient number, since it is larger than the sum of its proper divisors (336835022).

673670038 is a wasteful number, since it uses less digits than its factorization.

673670038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336835021.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 673670038 is about 25955.1543628621. The cubic root of 673670038 is about 876.6288193376.

The spelling of 673670038 in words is "six hundred seventy-three million, six hundred seventy thousand, thirty-eight".