9752661 has 12 divisors (see below), whose sum is σ = 14227980. Its totient is φ = 6436800.

The previous prime is 9752653. The next prime is 9752663. The reversal of 9752661 is 1662579.

It can be written as a sum of positive squares in 2 ways, for example, as 8520561 + 1232100 = 2919^2 + 1110^2 .

It is not a de Polignac number, because 9752661 - 2³ = 9752653 is a prime.

It is a super-2 number, since 2×9752661² = 190228793161842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9752663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4456 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (1185665).

Almost surely, 2^9752661 is an apocalyptic number.

It is an amenable number.

9752661 is a deficient number, since it is larger than the sum of its proper divisors (4475319).

9752661 is a wasteful number, since it uses less digits than its factorization.

9752661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836 (or 10833 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 9752661 is about 3122.9250711472. The cubic root of 9752661 is about 213.6523674363.

The spelling of 9752661 in words is "nine million, seven hundred fifty-two thousand, six hundred sixty-one".