325695720 has 128 divisors (see below), whose sum is σ = 1175500800. Its totient is φ = 70523136.

The previous prime is 325695697. The next prime is 325695751. The reversal of 325695720 is 27596523.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5757 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (9183600).

Almost surely, 2^325695720 is an apocalyptic number.

325695720 is a gapful number since it is divisible by the number (30) 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 325695720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587750400).

325695720 is an abundant number, since it is smaller than the sum of its proper divisors (849805080).

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

325695720 is a wasteful number, since it uses less digits than its factorization.

325695720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447 (or 20443 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 325695720 is about 18047.0418628649. The cubic root of 325695720 is about 688.0246802486.

The spelling of 325695720 in words is "three hundred twenty-five million, six hundred ninety-five thousand, seven hundred twenty".