8242474728 has 32 divisors (see below), whose sum is σ = 20619185760. Its totient is φ = 2745758400.

The previous prime is 8242474727. The next prime is 8242474753. The reversal of 8242474728 is 8274742428.

It is not an unprimeable number, because it can be changed into a prime (8242474727) 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, 69198 + ... + 145853.

It is an arithmetic number, because the mean of its divisors is an integer number (644349555).

Almost surely, 2^8242474728 is an apocalyptic number.

It is an amenable number.

8242474728 is an abundant number, since it is smaller than the sum of its proper divisors (12376711032).

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

8242474728 is a wasteful number, since it uses less digits than its factorization.

8242474728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216657 (or 216653 counting only the distinct ones).

The product of its digits is 1605632, while the sum is 48.

The square root of 8242474728 is about 90788.0759130845. The cubic root of 8242474728 is about 2020.0054510849.

The spelling of 8242474728 in words is "eight billion, two hundred forty-two million, four hundred seventy-four thousand, seven hundred twenty-eight".