9776736 has 72 divisors (see below), whose sum is σ = 28206360. Its totient is φ = 3211776.

The previous prime is 9776729. The next prime is 9776761. The reversal of 9776736 is 6376779.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 9776691 and 9776700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23700 + ... + 24108.

It is an arithmetic number, because the mean of its divisors is an integer number (391755).

Almost surely, 2^9776736 is an apocalyptic number.

9776736 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 9776736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14103180).

9776736 is an abundant number, since it is smaller than the sum of its proper divisors (18429624).

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

9776736 is a wasteful number, since it uses less digits than its factorization.

9776736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 497 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The square root of 9776736 is about 3126.7772546186. Note that the first 3 decimals coincide. The cubic root of 9776736 is about 213.8280273255.

The spelling of 9776736 in words is "nine million, seven hundred seventy-six thousand, seven hundred thirty-six".