3625239720 has 128 divisors (see below), whose sum is σ = 11210918400. Its totient is φ = 937322496.

The previous prime is 3625239707. The next prime is 3625239757. The reversal of 3625239720 is 279325263.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 611812 + ... + 617708.

It is an arithmetic number, because the mean of its divisors is an integer number (87585300).

Almost surely, 2^3625239720 is an apocalyptic number.

3625239720 is a gapful number since it is divisible by the number (30) 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 3625239720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5605459200).

3625239720 is an abundant number, since it is smaller than the sum of its proper divisors (7585678680).

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

3625239720 is a wasteful number, since it uses less digits than its factorization.

3625239720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6067 (or 6063 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 3625239720 is about 60209.9636272934. The cubic root of 3625239720 is about 1536.1922739719.

The spelling of 3625239720 in words is "three billion, six hundred twenty-five million, two hundred thirty-nine thousand, seven hundred twenty".