3125730620 has 24 divisors (see below), whose sum is σ = 6775778688. Its totient is φ = 1209960000.

The previous prime is 3125730617. The next prime is 3125730623. The reversal of 3125730620 is 260375213.

It is an interprime number because it is at equal distance from previous prime (3125730617) and next prime (3125730623).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125730623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520131 + ... + 2521370.

It is an arithmetic number, because the mean of its divisors is an integer number (282324112).

Almost surely, 2^3125730620 is an apocalyptic number.

It is an amenable number.

3125730620 is an abundant number, since it is smaller than the sum of its proper divisors (3650048068).

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

3125730620 is a wasteful number, since it uses less digits than its factorization.

3125730620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041541 (or 5041539 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 3125730620 is about 55908.2339195221. The cubic root of 3125730620 is about 1462.1227986728.

The spelling of 3125730620 in words is "three billion, one hundred twenty-five million, seven hundred thirty thousand, six hundred twenty".