9772736 has 28 divisors (see below), whose sum is σ = 19921728. Its totient is φ = 4753152.

The previous prime is 9772727. The next prime is 9772747. The reversal of 9772736 is 6372779.

It is a junction number, because it is equal to n+sod(n) for n = 9772693 and 9772702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305 + ... + 4431.

Almost surely, 2^9772736 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 9772736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9960864).

9772736 is an abundant number, since it is smaller than the sum of its proper divisors (10148992).

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

9772736 is a wasteful number, since it uses less digits than its factorization.

9772736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4166 counting only the distinct ones).

The product of its digits is 111132, while the sum is 41.

The square root of 9772736 is about 3126.1375529557. The cubic root of 9772736 is about 213.7988618732.

The spelling of 9772736 in words is "nine million, seven hundred seventy-two thousand, seven hundred thirty-six".