7845748452 has 30 divisors (see below), whose sum is σ = 20510337078. Its totient is φ = 2615249376.

The previous prime is 7845748439. The next prime is 7845748459. The reversal of 7845748452 is 2548475487.

7845748452 is a `hidden beast` number, since 78 + 45 + 7 + 484 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5217750756 + 2627997696 = 72234^2 + 51264^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7845748459) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12107313 + ... + 12107960.

Almost surely, 2^7845748452 is an apocalyptic number.

It is an amenable number.

7845748452 is an abundant number, since it is smaller than the sum of its proper divisors (12664588626).

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

7845748452 is a wasteful number, since it uses less digits than its factorization.

7845748452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215289 (or 24215278 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 54.

The square root of 7845748452 is about 88576.2296104322. The cubic root of 7845748452 is about 1987.0621913554.

The spelling of 7845748452 in words is "seven billion, eight hundred forty-five million, seven hundred forty-eight thousand, four hundred fifty-two".