715331731 has 8 divisors (see below), whose sum is σ = 726556880. Its totient is φ = 704122848.

The previous prime is 715331647. The next prime is 715331737. The reversal of 715331731 is 137133517.

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 715331731 - 2¹¹ = 715329683 is a prime.

It is a super-2 number, since 2×715331731² = 1023398970750912722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 715331693 and 715331702.

It is not an unprimeable number, because it can be changed into a prime (715331737) 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 7 ways as a sum of consecutive naturals, for example, 108625 + ... + 115021.

It is an arithmetic number, because the mean of its divisors is an integer number (90819610).

Almost surely, 2^715331731 is an apocalyptic number.

715331731 is a deficient number, since it is larger than the sum of its proper divisors (11225149).

715331731 is a wasteful number, since it uses less digits than its factorization.

715331731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133.

The product of its digits is 6615, while the sum is 31.

The square root of 715331731 is about 26745.6862129204. The cubic root of 715331731 is about 894.3396733535.

The spelling of 715331731 in words is "seven hundred fifteen million, three hundred thirty-one thousand, seven hundred thirty-one".