9072851 has 4 divisors (see below), whose sum is σ = 9157752. Its totient is φ = 8987952.

The previous prime is 9072827. The next prime is 9072859. The reversal of 9072851 is 1582709.

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

It is a cyclic number.

It is not a de Polignac number, because 9072851 - 2¹⁰ = 9071827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9072859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42290 + ... + 42503.

It is an arithmetic number, because the mean of its divisors is an integer number (2289438).

Almost surely, 2^9072851 is an apocalyptic number.

9072851 is a deficient number, since it is larger than the sum of its proper divisors (84901).

9072851 is a wasteful number, since it uses less digits than its factorization.

9072851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84900.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 9072851 is about 3012.1173615913. The cubic root of 9072851 is about 208.5681198708.

The spelling of 9072851 in words is "nine million, seventy-two thousand, eight hundred fifty-one".