715616 has 48 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 305280.

The previous prime is 715613. The next prime is 715621. The reversal of 715616 is 616517.

715616 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 not an unprimeable number, because it can be changed into a prime (715613) 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, 6635 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁷¹⁵⁶¹⁶ is an apocalyptic number.

715616 is a gapful number since it is divisible by the number (76) 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 715616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816480).

715616 is an abundant number, since it is smaller than the sum of its proper divisors (917344).

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

715616 is a wasteful number, since it uses less digits than its factorization.

715616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 715616 is about 845.9408962806. The cubic root of 715616 is about 89.4458126263.

Subtracting from 715616 its reverse (616517), we obtain a palindrome (99099).

It can be divided in two parts, 715 and 616, that added together give a palindrome (1331).

The spelling of 715616 in words is "seven hundred fifteen thousand, six hundred sixteen".