713865731 has 4 divisors (see below), whose sum is σ = 715522464. Its totient is φ = 712209000.

The previous prime is 713865689. The next prime is 713865749. The reversal of 713865731 is 137568317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137568317 = 3793 ⋅36269.

It is a cyclic number.

It is not a de Polignac number, because 713865731 - 2¹⁰ = 713864707 is a prime.

It is a super-2 number, since 2×713865731² = 1019208563792328722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713865791) by changing a digit.

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, 827720 + ... + 828581.

It is an arithmetic number, because the mean of its divisors is an integer number (178880616).

Almost surely, 2^713865731 is an apocalyptic number.

713865731 is a deficient number, since it is larger than the sum of its proper divisors (1656733).

713865731 is a wasteful number, since it uses less digits than its factorization.

713865731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656732.

The product of its digits is 105840, while the sum is 41.

The square root of 713865731 is about 26718.2658681285. The cubic root of 713865731 is about 893.7283026275.

The spelling of 713865731 in words is "seven hundred thirteen million, eight hundred sixty-five thousand, seven hundred thirty-one".