325758720 has 144 divisors (see below), whose sum is σ = 1189117440. Its totient is φ = 74452992.

The previous prime is 325758707. The next prime is 325758761. The reversal of 325758720 is 27857523.

It is a super-2 number, since 2×325758720² = 212237487312076800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20821 + ... + 32939.

It is an arithmetic number, because the mean of its divisors is an integer number (8257760).

Almost surely, 2^325758720 is an apocalyptic number.

325758720 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 325758720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594558720).

325758720 is an abundant number, since it is smaller than the sum of its proper divisors (863358720).

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

325758720 is a wasteful number, since it uses less digits than its factorization.

325758720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150 (or 12136 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 325758720 is about 18048.7872168742. The cubic root of 325758720 is about 688.0690394032.

The spelling of 325758720 in words is "three hundred twenty-five million, seven hundred fifty-eight thousand, seven hundred twenty".