731360 has 48 divisors (see below), whose sum is σ = 1977696. Its totient is φ = 250368.

The previous prime is 731359. The next prime is 731363. The reversal of 731360 is 63137.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794 + ... + 1446.

It is an arithmetic number, because the mean of its divisors is an integer number (41202).

2⁷³¹³⁶⁰ is an apocalyptic number.

731360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 731360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988848).

731360 is an abundant number, since it is smaller than the sum of its proper divisors (1246336).

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

731360 is a wasteful number, since it uses less digits than its factorization.

731360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 731360 is about 855.1958839938. The cubic root of 731360 is about 90.0970147278.

Adding to 731360 its reverse (63137), we get a palindrome (794497).

The spelling of 731360 in words is "seven hundred thirty-one thousand, three hundred sixty".