715842 has 12 divisors (see below), whose sum is σ = 1551030. Its totient is φ = 238608.

The previous prime is 715823. The next prime is 715843. The reversal of 715842 is 248517.

It can be written as a sum of positive squares in only one way, i.e., 690561 + 25281 = 831^2 + 159^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 715842.

It is not an unprimeable number, because it can be changed into a prime (715843) by changing a digit.

715842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19867 + ... + 19902.

2⁷¹⁵⁸⁴² is an apocalyptic number.

715842 is an abundant number, since it is smaller than the sum of its proper divisors (835188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

715842 is a wasteful number, since it uses less digits than its factorization.

715842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39777 (or 39774 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 715842 is about 846.0744648079. The cubic root of 715842 is about 89.4552276506.

The spelling of 715842 in words is "seven hundred fifteen thousand, eight hundred forty-two".