3571728625 has 16 divisors (see below), whose sum is σ = 4511235456. Its totient is φ = 2822948400.

The previous prime is 3571728613. The next prime is 3571728637. The reversal of 3571728625 is 5268271753.

It is an interprime number because it is at equal distance from previous prime (3571728613) and next prime (3571728637).

It is not a de Polignac number, because 3571728625 - 2⁹ = 3571728113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161757 + ... + 182506.

It is an arithmetic number, because the mean of its divisors is an integer number (281952216).

Almost surely, 2^3571728625 is an apocalyptic number.

It is an amenable number.

3571728625 is a deficient number, since it is larger than the sum of its proper divisors (939506831).

3571728625 is an equidigital number, since it uses as much as digits as its factorization.

3571728625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344361 (or 344351 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 3571728625 is about 59763.9408422838. The cubic root of 3571728625 is about 1528.5963496076.

The spelling of 3571728625 in words is "three billion, five hundred seventy-one million, seven hundred twenty-eight thousand, six hundred twenty-five".