9772001 has 4 divisors (see below), whose sum is σ = 9785604. Its totient is φ = 9758400.

The previous prime is 9771997. The next prime is 9772019. The reversal of 9772001 is 1002779.

9772001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1500625 + 8271376 = 1225^2 + 2876^2 .

It is a cyclic number.

It is not a de Polignac number, because 9772001 - 2² = 9771997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9772201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (2446401).

Almost surely, 2^9772001 is an apocalyptic number.

It is an amenable number.

9772001 is a deficient number, since it is larger than the sum of its proper divisors (13603).

9772001 is a wasteful number, since it uses less digits than its factorization.

9772001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 9772001 is about 3126.0199935381. The cubic root of 9772001 is about 213.7935018559.

The spelling of 9772001 in words is "nine million, seven hundred seventy-two thousand, one".