9278772 has 12 divisors (see below), whose sum is σ = 21650496. Its totient is φ = 3092920.

The previous prime is 9278767. The next prime is 9278791. The reversal of 9278772 is 2778729.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 386604 + ... + 386627.

It is an arithmetic number, because the mean of its divisors is an integer number (1804208).

Almost surely, 2^9278772 is an apocalyptic number.

It is an amenable number.

9278772 is an abundant number, since it is smaller than the sum of its proper divisors (12371724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9278772 is a wasteful number, since it uses less digits than its factorization.

9278772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773238 (or 773236 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 9278772 is about 3046.1076803028. The cubic root of 9278772 is about 210.1342452295.

The spelling of 9278772 in words is "nine million, two hundred seventy-eight thousand, seven hundred seventy-two".