7204788864 has 512 divisors, whose sum is σ = 27052032000. Its totient is φ = 1836380160.

The previous prime is 7204788859. The next prime is 7204788869. The reversal of 7204788864 is 4688874027.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7204788859) and next prime (7204788869).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 7204788864.

It is not an unprimeable number, because it can be changed into a prime (7204788869) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9749007 + ... + 9749745.

It is an arithmetic number, because the mean of its divisors is an integer number (52836000).

Almost surely, 2^7204788864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7204788864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13526016000).

7204788864 is an abundant number, since it is smaller than the sum of its proper divisors (19847243136).

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

7204788864 is a wasteful number, since it uses less digits than its factorization.

7204788864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The square root of 7204788864 is about 84881.0277034862. The cubic root of 7204788864 is about 1931.4067851976.

The spelling of 7204788864 in words is "seven billion, two hundred four million, seven hundred eighty-eight thousand, eight hundred sixty-four".