731868 has 24 divisors (see below), whose sum is σ = 1733760. Its totient is φ = 240240.

The previous prime is 731851. The next prime is 731869. The reversal of 731868 is 868137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (72240).

2⁷³¹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

731868 is an abundant number, since it is smaller than the sum of its proper divisors (1001892).

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

731868 is a wasteful number, since it uses less digits than its factorization.

731868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 935 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 731868 is about 855.4928404142. The cubic root of 731868 is about 90.1178702529.

The spelling of 731868 in words is "seven hundred thirty-one thousand, eight hundred sixty-eight".