631673713 has 8 divisors (see below), whose sum is σ = 689907456. Its totient is φ = 573574800.

The previous prime is 631673711. The next prime is 631673767. The reversal of 631673713 is 317376136.

631673713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631673713 - 2¹ = 631673711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631673711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23778 + ... + 42763.

It is an arithmetic number, because the mean of its divisors is an integer number (86238432).

Almost surely, 2^631673713 is an apocalyptic number.

It is an amenable number.

631673713 is a deficient number, since it is larger than the sum of its proper divisors (58233743).

631673713 is a wasteful number, since it uses less digits than its factorization.

631673713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67415.

The product of its digits is 47628, while the sum is 37.

The square root of 631673713 is about 25133.1198421525. The cubic root of 631673713 is about 858.0203758634.

The spelling of 631673713 in words is "six hundred thirty-one million, six hundred seventy-three thousand, seven hundred thirteen".