731874 has 32 divisors (see below), whose sum is σ = 1721664. Its totient is φ = 204480.

The previous prime is 731869. The next prime is 731881. The reversal of 731874 is 478137.

It is a happy number.

731874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

731874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (53802).

2⁷³¹⁸⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860832).

731874 is an abundant number, since it is smaller than the sum of its proper divisors (989790).

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

731874 is a wasteful number, since it uses less digits than its factorization.

731874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882.

The product of its digits is 4704, while the sum is 30.

The square root of 731874 is about 855.4963471576. The cubic root of 731874 is about 90.1181165203.

The spelling of 731874 in words is "seven hundred thirty-one thousand, eight hundred seventy-four".