8742724718 has 128 divisors (see below), whose sum is σ = 17604034560. Its totient is φ = 3161410560.

The previous prime is 8742724717. The next prime is 8742724729. The reversal of 8742724718 is 8174272478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742724717) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11548796 + ... + 11549552.

It is an arithmetic number, because the mean of its divisors is an integer number (137531520).

Almost surely, 2^8742724718 is an apocalyptic number.

8742724718 is an abundant number, since it is smaller than the sum of its proper divisors (8861309842).

8742724718 is a wasteful number, since it uses less digits than its factorization.

8742724718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its digits is 1404928, while the sum is 50.

The square root of 8742724718 is about 93502.5385644689. The cubic root of 8742724718 is about 2060.0713770159.

The spelling of 8742724718 in words is "eight billion, seven hundred forty-two million, seven hundred twenty-four thousand, seven hundred eighteen".