945720 has 96 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 241920.

The previous prime is 945701. The next prime is 945731. The reversal of 945720 is 27549.

945720 is a `hidden beast` number, since 94 + 572 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

945720 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 23 ways as a sum of consecutive naturals, for example, 13285 + ... + 13355.

It is an arithmetic number, because the mean of its divisors is an integer number (33345).

2⁹⁴⁵⁷²⁰ is an apocalyptic number.

945720 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1600560).

945720 is an abundant number, since it is smaller than the sum of its proper divisors (2255400).

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

945720 is a wasteful number, since it uses less digits than its factorization.

945720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 945720 is about 972.4813622893. The cubic root of 945720 is about 98.1569053888.

The spelling of 945720 in words is "nine hundred forty-five thousand, seven hundred twenty".