631729794 has 16 divisors (see below), whose sum is σ = 1307027520. Its totient is φ = 203315280.

The previous prime is 631729783. The next prime is 631729807. The reversal of 631729794 is 497927136.

It is a happy number.

631729794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1815142 + ... + 1815489.

It is an arithmetic number, because the mean of its divisors is an integer number (81689220).

Almost surely, 2^631729794 is an apocalyptic number.

631729794 is an abundant number, since it is smaller than the sum of its proper divisors (675297726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631729794 is a wasteful number, since it uses less digits than its factorization.

631729794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630665.

The product of its digits is 571536, while the sum is 48.

The square root of 631729794 is about 25134.2354966289. The cubic root of 631729794 is about 858.0457672513.

The spelling of 631729794 in words is "six hundred thirty-one million, seven hundred twenty-nine thousand, seven hundred ninety-four".