631702 has 4 divisors (see below), whose sum is σ = 947556. Its totient is φ = 315850.

The previous prime is 631681. The next prime is 631711. The reversal of 631702 is 207136.

631702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 631702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157924 + ... + 157927.

It is an arithmetic number, because the mean of its divisors is an integer number (236889).

2⁶³¹⁷⁰² is an apocalyptic number.

631702 is a deficient number, since it is larger than the sum of its proper divisors (315854).

631702 is a wasteful number, since it uses less digits than its factorization.

631702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315853.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 631702 is about 794.7968293847. The cubic root of 631702 is about 85.8033183351.

Adding to 631702 its reverse (207136), we get a palindrome (838838).

The spelling of 631702 in words is "six hundred thirty-one thousand, seven hundred two".