715816 has 8 divisors (see below), whose sum is σ = 1342170. Its totient is φ = 357904.

The previous prime is 715811. The next prime is 715817. The reversal of 715816 is 618517.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 100 = 846^2 + 10^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (715811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44731 + ... + 44746.

2⁷¹⁵⁸¹⁶ is an apocalyptic number.

It is an amenable number.

715816 is a deficient number, since it is larger than the sum of its proper divisors (626354).

715816 is a wasteful number, since it uses less digits than its factorization.

715816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89483 (or 89479 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 715816 is about 846.0590995906. The cubic root of 715816 is about 89.4541446071.

The spelling of 715816 in words is "seven hundred fifteen thousand, eight hundred sixteen".