715318 has 4 divisors (see below), whose sum is σ = 1072980. Its totient is φ = 357658.

The previous prime is 715313. The next prime is 715339. The reversal of 715318 is 813517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 813517 = 43 ⋅18919.

It is a super-2 number, since 2×715318² = 1023359682248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 715292 and 715301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178828 + ... + 178831.

It is an arithmetic number, because the mean of its divisors is an integer number (268245).

2⁷¹⁵³¹⁸ is an apocalyptic number.

715318 is a deficient number, since it is larger than the sum of its proper divisors (357662).

715318 is a wasteful number, since it uses less digits than its factorization.

715318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357661.

The product of its digits is 840, while the sum is 25.

The square root of 715318 is about 845.7647427033. The cubic root of 715318 is about 89.4333950947.

The spelling of 715318 in words is "seven hundred fifteen thousand, three hundred eighteen".