9261729 has 32 divisors (see below), whose sum is σ = 14397440. Its totient is φ = 5878656.

The previous prime is 9261713. The next prime is 9261731. The reversal of 9261729 is 9271629.

9261729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9261729 - 2⁴ = 9261713 is a prime.

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 9261729 = 9³ + 210³ = 161³ + 172³.

It is a junction number, because it is equal to n+sod(n) for n = 9261693 and 9261702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9261799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72864 + ... + 72990.

It is an arithmetic number, because the mean of its divisors is an integer number (449920).

Almost surely, 2^9261729 is an apocalyptic number.

It is an amenable number.

9261729 is a deficient number, since it is larger than the sum of its proper divisors (5135711).

9261729 is a wasteful number, since it uses less digits than its factorization.

9261729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 9261729 is about 3043.3088900077. The cubic root of 9261729 is about 210.0055100595.

It can be divided in two parts, 9261 and 729, that multiplied together give a cube (6751269 = 189³).

The spelling of 9261729 in words is "nine million, two hundred sixty-one thousand, seven hundred twenty-nine".