10576721 has 2 divisors, whose sum is σ = 10576722. Its totient is φ = 10576720.

The previous prime is 10576717. The next prime is 10576747. The reversal of 10576721 is 12767501.

10576721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 3474496 = 2665^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 10576721 - 2² = 10576717 is a prime.

It is a super-2 number, since 2×10576721² = 223734054223682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10576781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5288360 + 5288361.

It is an arithmetic number, because the mean of its divisors is an integer number (5288361).

Almost surely, 2^10576721 is an apocalyptic number.

It is an amenable number.

10576721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10576721 is an equidigital number, since it uses as much as digits as its factorization.

10576721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 10576721 is about 3252.1871102383. The cubic root of 10576721 is about 219.5079983179.

The spelling of 10576721 in words is "ten million, five hundred seventy-six thousand, seven hundred twenty-one".