3664527728 has 40 divisors (see below), whose sum is σ = 7144304640. Its totient is φ = 1820871360.

The previous prime is 3664527721. The next prime is 3664527731. The reversal of 3664527728 is 8277254663.

Its product of digits (3386880) is a multiple of the sum of its prime factors (2205).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664527721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3697313 + ... + 3698303.

It is an arithmetic number, because the mean of its divisors is an integer number (178607616).

Almost surely, 2^3664527728 is an apocalyptic number.

It is an amenable number.

3664527728 is a deficient number, since it is larger than the sum of its proper divisors (3479776912).

3664527728 is a wasteful number, since it uses less digits than its factorization.

3664527728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2199 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The square root of 3664527728 is about 60535.3428007144. The cubic root of 3664527728 is about 1541.7217668793.

The spelling of 3664527728 in words is "three billion, six hundred sixty-four million, five hundred twenty-seven thousand, seven hundred twenty-eight".