673007631 has 16 divisors (see below), whose sum is σ = 921984000. Its totient is φ = 436508928.

The previous prime is 673007597. The next prime is 673007639. The reversal of 673007631 is 136700376.

It is not a de Polignac number, because 673007631 - 2⁹ = 673007119 is a prime.

It is a super-2 number, since 2×673007631² = 905878542768464322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673007592 and 673007601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673007639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431 + ... + 36768.

It is an arithmetic number, because the mean of its divisors is an integer number (57624000).

Almost surely, 2^673007631 is an apocalyptic number.

673007631 is a deficient number, since it is larger than the sum of its proper divisors (248976369).

673007631 is a wasteful number, since it uses less digits than its factorization.

673007631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39358.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 673007631 is about 25942.3906184453. The cubic root of 673007631 is about 876.3414009363.

The spelling of 673007631 in words is "six hundred seventy-three million, seven thousand, six hundred thirty-one".