673057637 has 16 divisors (see below), whose sum is σ = 779932800. Its totient is φ = 568910400.

The previous prime is 673057633. The next prime is 673057667. The reversal of 673057637 is 736750376.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 673057637 - 2² = 673057633 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673057631) 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, 188414 + ... + 191952.

It is an arithmetic number, because the mean of its divisors is an integer number (48745800).

Almost surely, 2^673057637 is an apocalyptic number.

It is an amenable number.

673057637 is a deficient number, since it is larger than the sum of its proper divisors (106875163).

673057637 is a wasteful number, since it uses less digits than its factorization.

673057637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its (nonzero) digits is 555660, while the sum is 44.

The square root of 673057637 is about 25943.3543899011. The cubic root of 673057637 is about 876.3631051195.

The spelling of 673057637 in words is "six hundred seventy-three million, fifty-seven thousand, six hundred thirty-seven".