9072863 has 4 divisors (see below), whose sum is σ = 9365568. Its totient is φ = 8780160.

The previous prime is 9072859. The next prime is 9072893. The reversal of 9072863 is 3682709.

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 9072863 - 2² = 9072859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9072893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146306 + ... + 146367.

It is an arithmetic number, because the mean of its divisors is an integer number (2341392).

Almost surely, 2^9072863 is an apocalyptic number.

9072863 is a deficient number, since it is larger than the sum of its proper divisors (292705).

9072863 is a wasteful number, since it uses less digits than its factorization.

9072863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292704.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 9072863 is about 3012.1193535449. The cubic root of 9072863 is about 208.5682118234.

The spelling of 9072863 in words is "nine million, seventy-two thousand, eight hundred sixty-three".