9727776 has 96 divisors (see below), whose sum is σ = 28929600. Its totient is φ = 3219264.

The previous prime is 9727771. The next prime is 9727787. The reversal of 9727776 is 6777279.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (9727771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69915 + ... + 70053.

It is an arithmetic number, because the mean of its divisors is an integer number (301350).

Almost surely, 2^9727776 is an apocalyptic number.

9727776 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9727776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14464800).

9727776 is an abundant number, since it is smaller than the sum of its proper divisors (19201824).

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

9727776 is an equidigital number, since it uses as much as digits as its factorization.

9727776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 144 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The square root of 9727776 is about 3118.9382808898. The cubic root of 9727776 is about 213.4704933929.

The spelling of 9727776 in words is "nine million, seven hundred twenty-seven thousand, seven hundred seventy-six".