715682645 has 8 divisors (see below), whose sum is σ = 859003704. Its totient is φ = 572423104.

The previous prime is 715682641. The next prime is 715682699. The reversal of 715682645 is 546286517.

715682645 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 88981489 + 626701156 = 9433^2 + 25034^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 715682645 - 2² = 715682641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 715682596 and 715682605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715682641) 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, 16067 + ... + 41103.

It is an arithmetic number, because the mean of its divisors is an integer number (107375463).

Almost surely, 2^715682645 is an apocalyptic number.

It is an amenable number.

715682645 is a deficient number, since it is larger than the sum of its proper divisors (143321059).

715682645 is a wasteful number, since it uses less digits than its factorization.

715682645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30759.

The product of its digits is 403200, while the sum is 44.

The square root of 715682645 is about 26752.2456066776. The cubic root of 715682645 is about 894.4858922306.

The spelling of 715682645 in words is "seven hundred fifteen million, six hundred eighty-two thousand, six hundred forty-five".