3625017920 has 28 divisors (see below), whose sum is σ = 8632074684. Its totient is φ = 1450007040.

The previous prime is 3625017901. The next prime is 3625017931. The reversal of 3625017920 is 297105263.

It can be written as a sum of positive squares in 2 ways, for example, as 405136384 + 3219881536 = 20128^2 + 56744^2 .

It is a super-2 number, since 2×3625017920² = 26281509840642252800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5663771 + ... + 5664410.

Almost surely, 2^3625017920 is an apocalyptic number.

It is an amenable number.

3625017920 is an abundant number, since it is smaller than the sum of its proper divisors (5007056764).

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

3625017920 is a wasteful number, since it uses less digits than its factorization.

3625017920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328198 (or 11328188 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 3625017920 is about 60208.1217112775. The cubic root of 3625017920 is about 1536.1609441453.

The spelling of 3625017920 in words is "three billion, six hundred twenty-five million, seventeen thousand, nine hundred twenty".