715487 has 4 divisors (see below), whose sum is σ = 717840. Its totient is φ = 713136.

The previous prime is 715457. The next prime is 715489. The reversal of 715487 is 784517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784517 = 31 ⋅25307.

It is a cyclic number.

It is not a de Polignac number, because 715487 - 2⁶ = 715423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715489) 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, 638 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (179460).

2⁷¹⁵⁴⁸⁷ is an apocalyptic number.

715487 is a deficient number, since it is larger than the sum of its proper divisors (2353).

715487 is a wasteful number, since it uses less digits than its factorization.

715487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 7840, while the sum is 32.

The square root of 715487 is about 845.8646463826. The cubic root of 715487 is about 89.4404376751.

Adding to 715487 its product of digits (7840), we get a palindrome (723327).

The spelling of 715487 in words is "seven hundred fifteen thousand, four hundred eighty-seven".