8072974165 has 4 divisors (see below), whose sum is σ = 9687569004. Its totient is φ = 6458379328.

The previous prime is 8072974159. The next prime is 8072974211. The reversal of 8072974165 is 5614792708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4776606769 + 3296367396 = 69113^2 + 57414^2 .

It is a cyclic number.

It is not a de Polignac number, because 8072974165 - 2³ = 8072974157 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807297412 + ... + 807297421.

It is an arithmetic number, because the mean of its divisors is an integer number (2421892251).

Almost surely, 2^8072974165 is an apocalyptic number.

It is an amenable number.

8072974165 is a deficient number, since it is larger than the sum of its proper divisors (1614594839).

8072974165 is a wasteful number, since it uses less digits than its factorization.

8072974165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614594838.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 8072974165 is about 89849.7310235262. The cubic root of 8072974165 is about 2006.0627831758.

The spelling of 8072974165 in words is "eight billion, seventy-two million, nine hundred seventy-four thousand, one hundred sixty-five".