8672816745 has 16 divisors (see below), whose sum is σ = 15418341120. Its totient is φ = 4625502192.

The previous prime is 8672816699. The next prime is 8672816749. The reversal of 8672816745 is 5476182768.

8672816745 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8672816745 - 2⁶ = 8672816681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8672816691 and 8672816700.

It is not an unprimeable number, because it can be changed into a prime (8672816749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32121409 + ... + 32121678.

It is an arithmetic number, because the mean of its divisors is an integer number (963646320).

Almost surely, 2^8672816745 is an apocalyptic number.

It is an amenable number.

8672816745 is a deficient number, since it is larger than the sum of its proper divisors (6745524375).

8672816745 is a wasteful number, since it uses less digits than its factorization.

8672816745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64243101 (or 64243095 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 8672816745 is about 93127.9589865471. The cubic root of 8672816745 is about 2054.5658094887.

The spelling of 8672816745 in words is "eight billion, six hundred seventy-two million, eight hundred sixteen thousand, seven hundred forty-five".