715306 has 4 divisors (see below), whose sum is σ = 1072962. Its totient is φ = 357652.

The previous prime is 715303. The next prime is 715313. The reversal of 715306 is 603517.

715306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 349281 = 605^2 + 591^2 .

It is not an unprimeable number, because it can be changed into a prime (715301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178825 + ... + 178828.

2⁷¹⁵³⁰⁶ is an apocalyptic number.

715306 is a deficient number, since it is larger than the sum of its proper divisors (357656).

715306 is a wasteful number, since it uses less digits than its factorization.

715306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357655.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 715306 is about 845.7576485022. The cubic root of 715306 is about 89.4328949877.

The spelling of 715306 in words is "seven hundred fifteen thousand, three hundred six".