673390377 has 12 divisors (see below), whose sum is σ = 1061100144. Its totient is φ = 408115320.

The previous prime is 673390373. The next prime is 673390379. The reversal of 673390377 is 773093376.

It is a happy number.

It is not a de Polignac number, because 673390377 - 2² = 673390373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673390373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3400863 + ... + 3401060.

It is an arithmetic number, because the mean of its divisors is an integer number (88425012).

Almost surely, 2^673390377 is an apocalyptic number.

It is an amenable number.

673390377 is a deficient number, since it is larger than the sum of its proper divisors (387709767).

673390377 is a wasteful number, since it uses less digits than its factorization.

673390377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6801940 (or 6801937 counting only the distinct ones).

The product of its (nonzero) digits is 500094, while the sum is 45.

The square root of 673390377 is about 25949.7664151337. The cubic root of 673390377 is about 876.5074974191.

The spelling of 673390377 in words is "six hundred seventy-three million, three hundred ninety thousand, three hundred seventy-seven".