731160 has 64 divisors (see below), whose sum is σ = 2440800. Its totient is φ = 194688.

The previous prime is 731141. The next prime is 731173. The reversal of 731160 is 61137.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

731160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742 + ... + 1418.

2⁷³¹¹⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220400).

731160 is an abundant number, since it is smaller than the sum of its proper divisors (1709640).

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

731160 is a wasteful number, since it uses less digits than its factorization.

731160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 731160 is about 855.0789437239. The cubic root of 731160 is about 90.0888012416.

Adding to 731160 its reverse (61137), we get a palindrome (792297).

The spelling of 731160 in words is "seven hundred thirty-one thousand, one hundred sixty".