9072775 has 6 divisors (see below), whose sum is σ = 11250272. Its totient is φ = 7258200.

The previous prime is 9072769. The next prime is 9072793. The reversal of 9072775 is 5772709.

It is not a de Polignac number, because 9072775 - 2¹¹ = 9070727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181431 + ... + 181480.

Almost surely, 2^9072775 is an apocalyptic number.

9072775 is a deficient number, since it is larger than the sum of its proper divisors (2177497).

9072775 is a wasteful number, since it uses less digits than its factorization.

9072775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362921 (or 362916 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 9072775 is about 3012.1047458546. The cubic root of 9072775 is about 208.5675375026.

The spelling of 9072775 in words is "nine million, seventy-two thousand, seven hundred seventy-five".