10289729 has 4 divisors (see below), whose sum is σ = 10540740. Its totient is φ = 10038720.

The previous prime is 10289711. The next prime is 10289731. The reversal of 10289729 is 92798201.

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 846400 + 9443329 = 920^2 + 3073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10289729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10289692 and 10289701.

It is not an unprimeable number, because it can be changed into a prime (10289749) 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, 125444 + ... + 125525.

It is an arithmetic number, because the mean of its divisors is an integer number (2635185).

Almost surely, 2^10289729 is an apocalyptic number.

It is an amenable number.

10289729 is a deficient number, since it is larger than the sum of its proper divisors (251011).

10289729 is an equidigital number, since it uses as much as digits as its factorization.

10289729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251010.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 10289729 is about 3207.7607454422. The cubic root of 10289729 is about 217.5043659669.

The spelling of 10289729 in words is "ten million, two hundred eighty-nine thousand, seven hundred twenty-nine".