3125817472 has 64 divisors (see below), whose sum is σ = 6646026240. Its totient is φ = 1459261440.

The previous prime is 3125817341. The next prime is 3125817503. The reversal of 3125817472 is 2747185213.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270697 + ... + 282007.

It is an arithmetic number, because the mean of its divisors is an integer number (103844160).

Almost surely, 2^3125817472 is an apocalyptic number.

3125817472 is a gapful number since it is divisible by the number (32) 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 3125817472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323013120).

3125817472 is an abundant number, since it is smaller than the sum of its proper divisors (3520208768).

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

3125817472 is a wasteful number, since it uses less digits than its factorization.

3125817472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11469 (or 11457 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 3125817472 is about 55909.0106512358. The cubic root of 3125817472 is about 1462.1363407988.

The spelling of 3125817472 in words is "three billion, one hundred twenty-five million, eight hundred seventeen thousand, four hundred seventy-two".