731956 has 12 divisors (see below), whose sum is σ = 1348480. Its totient is φ = 346680.

The previous prime is 731933. The next prime is 731957. The reversal of 731956 is 659137.

731956 = 163² + 164² + ... + 186².

731956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4740 + ... + 4891.

2⁷³¹⁹⁵⁶ is an apocalyptic number.

731956 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

731956 is a deficient number, since it is larger than the sum of its proper divisors (616524).

731956 is a wasteful number, since it uses less digits than its factorization.

731956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9652 counting only the distinct ones).

The product of its digits is 5670, while the sum is 31.

The square root of 731956 is about 855.5442712099. The cubic root of 731956 is about 90.1214820402.

The spelling of 731956 in words is "seven hundred thirty-one thousand, nine hundred fifty-six".