9072917089 has 4 divisors (see below), whose sum is σ = 9133809300. Its totient is φ = 9012024880.

The previous prime is 9072917081. The next prime is 9072917131. The reversal of 9072917089 is 9807192709.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9807192709 = 23 ⋅426399683.

It can be written as a sum of positive squares in 2 ways, for example, as 5428742400 + 3644174689 = 73680^2 + 60367^2 .

It is a cyclic number.

It is not a de Polignac number, because 9072917089 - 2³ = 9072917081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9072917081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30445882 + ... + 30446179.

It is an arithmetic number, because the mean of its divisors is an integer number (2283452325).

Almost surely, 2^9072917089 is an apocalyptic number.

It is an amenable number.

9072917089 is a deficient number, since it is larger than the sum of its proper divisors (60892211).

9072917089 is a wasteful number, since it uses less digits than its factorization.

9072917089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60892210.

The product of its (nonzero) digits is 571536, while the sum is 52.

The square root of 9072917089 is about 95251.8613413932. The cubic root of 9072917089 is about 2085.6862629104.

The spelling of 9072917089 in words is "nine billion, seventy-two million, nine hundred seventeen thousand, eighty-nine".