713645761 has 4 divisors (see below), whose sum is σ = 736666624. Its totient is φ = 690624900.

The previous prime is 713645749. The next prime is 713645773. The reversal of 713645761 is 167546317.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 167546317 = 887 ⋅188891.

It is an interprime number because it is at equal distance from previous prime (713645749) and next prime (713645773).

It is a cyclic number.

It is not a de Polignac number, because 713645761 - 2⁵ = 713645729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713645711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11510385 + ... + 11510446.

It is an arithmetic number, because the mean of its divisors is an integer number (184166656).

Almost surely, 2^713645761 is an apocalyptic number.

It is an amenable number.

713645761 is a deficient number, since it is larger than the sum of its proper divisors (23020863).

713645761 is a wasteful number, since it uses less digits than its factorization.

713645761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23020862.

The product of its digits is 105840, while the sum is 40.

The square root of 713645761 is about 26714.1490787186. The cubic root of 713645761 is about 893.6364956287.

The spelling of 713645761 in words is "seven hundred thirteen million, six hundred forty-five thousand, seven hundred sixty-one".