10557729 has 32 divisors (see below), whose sum is σ = 19255040. Its totient is φ = 5567616.

The previous prime is 10557727. The next prime is 10557737. The reversal of 10557729 is 92775501.

It is not a de Polignac number, because 10557729 - 2¹ = 10557727 is a prime.

It is a super-2 number, since 2×10557729² = 222931283274882, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 10557693 and 10557702.

It is not an unprimeable number, because it can be changed into a prime (10557721) 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, 309 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (601720).

Almost surely, 2^10557729 is an apocalyptic number.

It is an amenable number.

10557729 is a deficient number, since it is larger than the sum of its proper divisors (8697311).

10557729 is a wasteful number, since it uses less digits than its factorization.

10557729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 10557729 is about 3249.2659170957. The cubic root of 10557729 is about 219.3765337025.

The spelling of 10557729 in words is "ten million, five hundred fifty-seven thousand, seven hundred twenty-nine".