713656945 has 4 divisors (see below), whose sum is σ = 856388340. Its totient is φ = 570925552.

The previous prime is 713656907. The next prime is 713656973. The reversal of 713656945 is 549656317.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 489825424 + 223831521 = 22132^2 + 14961^2 .

It is a cyclic number.

It is not a de Polignac number, because 713656945 - 2⁷ = 713656817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 713656895 and 713656904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71365690 + ... + 71365699.

It is an arithmetic number, because the mean of its divisors is an integer number (214097085).

Almost surely, 2^713656945 is an apocalyptic number.

It is an amenable number.

713656945 is a deficient number, since it is larger than the sum of its proper divisors (142731395).

713656945 is a wasteful number, since it uses less digits than its factorization.

713656945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142731394.

The product of its digits is 680400, while the sum is 46.

The square root of 713656945 is about 26714.3584051723. The cubic root of 713656945 is about 893.6411638543.

The spelling of 713656945 in words is "seven hundred thirteen million, six hundred fifty-six thousand, nine hundred forty-five".