715220 has 24 divisors (see below), whose sum is σ = 1639008. Its totient is φ = 260000.

The previous prime is 715193. The next prime is 715223. The reversal of 715220 is 22517.

715220 = 43² + 44² + ... + 130².

It is a partition number, being equal to the number of ways a set of 58 identical objects can be partitioned into subset.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715223) 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, 1406 + ... + 1845.

It is an arithmetic number, because the mean of its divisors is an integer number (68292).

2⁷¹⁵²²⁰ is an apocalyptic number.

It is an amenable number.

715220 is an abundant number, since it is smaller than the sum of its proper divisors (923788).

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

715220 is a wasteful number, since it uses less digits than its factorization.

715220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 715220 is about 845.7068049862. The cubic root of 715220 is about 89.4293107234.

Adding to 715220 its reverse (22517), we get a palindrome (737737).

The spelling of 715220 in words is "seven hundred fifteen thousand, two hundred twenty".