8729388746 has 32 divisors (see below), whose sum is σ = 14248700928. Its totient is φ = 3987063360.

The previous prime is 8729388643. The next prime is 8729388779. The reversal of 8729388746 is 6478839278.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973841 + ... + 982763.

It is an arithmetic number, because the mean of its divisors is an integer number (445271904).

Almost surely, 2^8729388746 is an apocalyptic number.

8729388746 is a deficient number, since it is larger than the sum of its proper divisors (5519312182).

8729388746 is a wasteful number, since it uses less digits than its factorization.

8729388746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9326.

The product of its digits is 32514048, while the sum is 62.

The square root of 8729388746 is about 93431.1979266027. The cubic root of 8729388746 is about 2059.0233805053.

The spelling of 8729388746 in words is "eight billion, seven hundred twenty-nine million, three hundred eighty-eight thousand, seven hundred forty-six".