9072999 has 16 divisors (see below), whose sum is σ = 14476000. Its totient is φ = 5583168.

The previous prime is 9072997. The next prime is 9073003. The reversal of 9072999 is 9992709.

9072999 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9072999 - 2¹ = 9072997 is a prime.

It is a Duffinian number.

9072999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9072991) 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, 12574 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (904750).

Almost surely, 2^9072999 is an apocalyptic number.

9072999 is a deficient number, since it is larger than the sum of its proper divisors (5403001).

9072999 is a wasteful number, since it uses less digits than its factorization.

9072999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25871 (or 25865 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 9072999 is about 3012.1419289270. The cubic root of 9072999 is about 208.5692539471.

The spelling of 9072999 in words is "nine million, seventy-two thousand, nine hundred ninety-nine".