7284752280 has 512 divisors, whose sum is σ = 28914278400. Its totient is φ = 1613094912.

The previous prime is 7284752273. The next prime is 7284752281. The reversal of 7284752280 is 822574827.

7284752280 is a `hidden beast` number, since 7 + 2 + 8 + 47 + 522 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7284752281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5488977 + ... + 5490303.

It is an arithmetic number, because the mean of its divisors is an integer number (56473200).

Almost surely, 2^7284752280 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 7284752280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14457139200).

7284752280 is an abundant number, since it is smaller than the sum of its proper divisors (21629526120).

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

7284752280 is a wasteful number, since it uses less digits than its factorization.

7284752280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 7284752280 is about 85350.7602778089. The cubic root of 7284752280 is about 1938.5258472037.

The spelling of 7284752280 in words is "seven billion, two hundred eighty-four million, seven hundred fifty-two thousand, two hundred eighty".