673390755 has 12 divisors (see below), whose sum is σ = 1167210720. Its totient is φ = 359141712.

The previous prime is 673390717. The next prime is 673390769. The reversal of 673390755 is 557093376.

It is not a de Polignac number, because 673390755 - 2⁸ = 673390499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 14964239 = 673390755 / (6 + 7 + 3 + 3 + 9 + 0 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 673390755.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7482075 + ... + 7482164.

It is an arithmetic number, because the mean of its divisors is an integer number (97267560).

Almost surely, 2^673390755 is an apocalyptic number.

673390755 is a deficient number, since it is larger than the sum of its proper divisors (493819965).

673390755 is a wasteful number, since it uses less digits than its factorization.

673390755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964250 (or 14964247 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 45.

The square root of 673390755 is about 25949.7736984352. The cubic root of 673390755 is about 876.5076614249.

The spelling of 673390755 in words is "six hundred seventy-three million, three hundred ninety thousand, seven hundred fifty-five".