975720 has 64 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 253184.

The previous prime is 975701. The next prime is 975731. The reversal of 975720 is 27579.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

975720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5554 + ... + 5726.

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

2⁹⁷⁵⁷²⁰ 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 975720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503360).

975720 is an abundant number, since it is smaller than the sum of its proper divisors (2031000).

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

975720 is a wasteful number, since it uses less digits than its factorization.

975720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 975720 is about 987.7854017953. The cubic root of 975720 is about 99.1840266511.

The spelling of 975720 in words is "nine hundred seventy-five thousand, seven hundred twenty".