715528 has 32 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 316480.

The previous prime is 715523. The next prime is 715537. The reversal of 715528 is 825517.

It is a junction number, because it is equal to n+sod(n) for n = 715496 and 715505.

It is not an unprimeable number, because it can be changed into a prime (715523) by changing a digit.

715528 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 7 ways as a sum of consecutive naturals, for example, 4050 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (46980).

2⁷¹⁵⁵²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751680).

715528 is an abundant number, since it is smaller than the sum of its proper divisors (787832).

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

715528 is a wasteful number, since it uses less digits than its factorization.

715528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its digits is 2800, while the sum is 28.

The square root of 715528 is about 845.8888815914. Note that the first 5 decimals coincide. The cubic root of 715528 is about 89.4421460630.

The spelling of 715528 in words is "seven hundred fifteen thousand, five hundred twenty-eight".