715506644 has 24 divisors (see below), whose sum is σ = 1260441000. Its totient is φ = 355389440.

The previous prime is 715506641. The next prime is 715506661. The reversal of 715506644 is 446605517.

715506644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15904144 + 699602500 = 3988^2 + 26450^2 .

It is a junction number, because it is equal to n+sod(n) for n = 715506598 and 715506607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715506641) 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, 482384 + ... + 483864.

It is an arithmetic number, because the mean of its divisors is an integer number (52518375).

Almost surely, 2^715506644 is an apocalyptic number.

It is an amenable number.

715506644 is a deficient number, since it is larger than the sum of its proper divisors (544934356).

715506644 is a wasteful number, since it uses less digits than its factorization.

715506644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2201 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 715506644 is about 26748.9559422419. The cubic root of 715506644 is about 894.4125620940.

The spelling of 715506644 in words is "seven hundred fifteen million, five hundred six thousand, six hundred forty-four".