9477972 has 108 divisors (see below), whose sum is σ = 29047200. Its totient is φ = 2694384.

The previous prime is 9477947. The next prime is 9477989. The reversal of 9477972 is 2797749.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (108).

It is a nude number because it is divisible by every one of its digits.

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 35 ways as a sum of consecutive naturals, for example, 47529 + ... + 47727.

Almost surely, 2^9477972 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 9477972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14523600).

9477972 is an abundant number, since it is smaller than the sum of its proper divisors (19569228).

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

9477972 is a wasteful number, since it uses less digits than its factorization.

9477972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 211 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 9477972 is about 3078.6315141634. The cubic root of 9477972 is about 211.6273565235.

The spelling of 9477972 in words is "nine million, four hundred seventy-seven thousand, nine hundred seventy-two".