9278672 has 40 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 4141440.

The previous prime is 9278639. The next prime is 9278681. The reversal of 9278672 is 2768729.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5729 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (499968).

Almost surely, 2^9278672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9278672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9999360).

9278672 is an abundant number, since it is smaller than the sum of its proper divisors (10720048).

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

9278672 is a wasteful number, since it uses less digits than its factorization.

9278672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1485 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 9278672 is about 3046.0912658684. The cubic root of 9278672 is about 210.1334903343.

The spelling of 9278672 in words is "nine million, two hundred seventy-eight thousand, six hundred seventy-two".