9072655 has 4 divisors (see below), whose sum is σ = 10887192. Its totient is φ = 7258120.

The previous prime is 9072653. The next prime is 9072673. The reversal of 9072655 is 5562709.

9072655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9072655 - 2¹ = 9072653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9072655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9072653) 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, 907261 + ... + 907270.

It is an arithmetic number, because the mean of its divisors is an integer number (2721798).

Almost surely, 2^9072655 is an apocalyptic number.

9072655 is a deficient number, since it is larger than the sum of its proper divisors (1814537).

9072655 is a wasteful number, since it uses less digits than its factorization.

9072655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814536.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 9072655 is about 3012.0848261628. The cubic root of 9072655 is about 208.5666179671.

The spelling of 9072655 in words is "nine million, seventy-two thousand, six hundred fifty-five".