3125752320 has 320 divisors, whose sum is σ = 10873589760. Its totient is φ = 763084800.

The previous prime is 3125752313. The next prime is 3125752369. The reversal of 3125752320 is 232575213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

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

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 31 ways as a sum of consecutive naturals, for example, 4523175 + ... + 4523865.

It is an arithmetic number, because the mean of its divisors is an integer number (33979968).

Almost surely, 2^3125752320 is an apocalyptic number.

3125752320 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 3125752320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5436794880).

3125752320 is an abundant number, since it is smaller than the sum of its proper divisors (7747837440).

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

3125752320 is a wasteful number, since it uses less digits than its factorization.

3125752320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 3125752320 is about 55908.4279872006. The cubic root of 3125752320 is about 1462.1261822008.

The spelling of 3125752320 in words is "three billion, one hundred twenty-five million, seven hundred fifty-two thousand, three hundred twenty".