3125327720 has 48 divisors (see below), whose sum is σ = 7199495460. Its totient is φ = 1221029376.

The previous prime is 3125327687. The next prime is 3125327731. The reversal of 3125327720 is 277235213.

3125327720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3115202596 + 10125124 = 55814^2 + 3182^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52832 + ... + 95088.

Almost surely, 2^3125327720 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 3125327720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3599747730).

3125327720 is an abundant number, since it is smaller than the sum of its proper divisors (4074167740).

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

3125327720 is a wasteful number, since it uses less digits than its factorization.

3125327720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42354 (or 42307 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 3125327720 is about 55904.6305774396. The cubic root of 3125327720 is about 1462.0599744716.

The spelling of 3125327720 in words is "three billion, one hundred twenty-five million, three hundred twenty-seven thousand, seven hundred twenty".