731344 has 20 divisors (see below), whose sum is σ = 1451296. Its totient is φ = 356832.

The previous prime is 731333. The next prime is 731359. The reversal of 731344 is 443137.

It is a happy number.

It is a super-3 number, since 3×731344³ = 1173508833310666752, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157 + ... + 1219.

2⁷³¹³⁴⁴ is an apocalyptic number.

It is an amenable number.

731344 is a deficient number, since it is larger than the sum of its proper divisors (719952).

731344 is a wasteful number, since it uses less digits than its factorization.

731344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1108 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 731344 is about 855.1865293607. The cubic root of 731344 is about 90.0963577040.

The spelling of 731344 in words is "seven hundred thirty-one thousand, three hundred forty-four".