9279972 has 72 divisors (see below), whose sum is σ = 25683840. Its totient is φ = 2808000.

The previous prime is 9279953. The next prime is 9279973. The reversal of 9279972 is 2799729.

9279972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9279972² = 172235760641568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9279973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36847 + ... + 37097.

It is an arithmetic number, because the mean of its divisors is an integer number (356720).

Almost surely, 2^9279972 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 9279972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12841920).

9279972 is an abundant number, since it is smaller than the sum of its proper divisors (16403868).

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

9279972 is a wasteful number, since it uses less digits than its factorization.

9279972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 348 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 9279972 is about 3046.3046466169. The cubic root of 9279972 is about 210.1433035483.

The spelling of 9279972 in words is "nine million, two hundred seventy-nine thousand, nine hundred seventy-two".