715623 has 8 divisors (see below), whose sum is σ = 958848. Its totient is φ = 474744.

The previous prime is 715621. The next prime is 715639. The reversal of 715623 is 326517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 715623 - 2¹ = 715621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 715593 and 715602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715621) 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, 336 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (119856).

2⁷¹⁵⁶²³ is an apocalyptic number.

715623 is a deficient number, since it is larger than the sum of its proper divisors (243225).

715623 is a wasteful number, since it uses less digits than its factorization.

715623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 1260, while the sum is 24.

The square root of 715623 is about 845.9450336754. The cubic root of 715623 is about 89.4461042719.

The spelling of 715623 in words is "seven hundred fifteen thousand, six hundred twenty-three".