8404728530 has 16 divisors (see below), whose sum is σ = 16503830784. Its totient is φ = 3056264880.

The previous prime is 8404728511. The next prime is 8404728533. The reversal of 8404728530 is 358274048.

It is not an unprimeable number, because it can be changed into a prime (8404728533) 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, 38203202 + ... + 38203421.

It is an arithmetic number, because the mean of its divisors is an integer number (1031489424).

Almost surely, 2^8404728530 is an apocalyptic number.

8404728530 is a deficient number, since it is larger than the sum of its proper divisors (8099102254).

8404728530 is a wasteful number, since it uses less digits than its factorization.

8404728530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76406641.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 8404728530 is about 91677.3065158439. The cubic root of 8404728530 is about 2033.1740754660.

The spelling of 8404728530 in words is "eight billion, four hundred four million, seven hundred twenty-eight thousand, five hundred thirty".