673775137 has 16 divisors (see below), whose sum is σ = 791008000. Its totient is φ = 573652800.

The previous prime is 673775071. The next prime is 673775171. The reversal of 673775137 is 731577376.

It is not a de Polignac number, because 673775137 - 2¹⁵ = 673742369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673772137) 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 15 ways as a sum of consecutive naturals, for example, 45289 + ... + 58297.

It is an arithmetic number, because the mean of its divisors is an integer number (49438000).

Almost surely, 2^673775137 is an apocalyptic number.

It is an amenable number.

673775137 is a deficient number, since it is larger than the sum of its proper divisors (117232863).

673775137 is a wasteful number, since it uses less digits than its factorization.

673775137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13181 (or 13167 counting only the distinct ones).

The product of its digits is 648270, while the sum is 46.

The square root of 673775137 is about 25957.1789106598. The cubic root of 673775137 is about 876.6744044739.

The spelling of 673775137 in words is "six hundred seventy-three million, seven hundred seventy-five thousand, one hundred thirty-seven".