9045729 has 64 divisors (see below), whose sum is σ = 17664000. Its totient is φ = 4432320.

The previous prime is 9045727. The next prime is 9045733. The reversal of 9045729 is 9275409.

It is not a de Polignac number, because 9045729 - 2¹ = 9045727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9045693 and 9045702.

It is not an unprimeable number, because it can be changed into a prime (9045727) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39387 + ... + 39615.

It is an arithmetic number, because the mean of its divisors is an integer number (276000).

Almost surely, 2^9045729 is an apocalyptic number.

9045729 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9045729 is a deficient number, since it is larger than the sum of its proper divisors (8618271).

9045729 is a wasteful number, since it uses less digits than its factorization.

9045729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 269 counting only the distinct ones).

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

The square root of 9045729 is about 3007.6118433069. The cubic root of 9045729 is about 208.3600841738.

The spelling of 9045729 in words is "nine million, forty-five thousand, seven hundred twenty-nine".