10288729 has 4 divisors (see below), whose sum is σ = 11224080. Its totient is φ = 9353380.

The previous prime is 10288727. The next prime is 10288753. The reversal of 10288729 is 92788201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92788201 = 11 ⋅8435291.

It is a cyclic number.

It is not a de Polignac number, because 10288729 - 2¹ = 10288727 is a prime.

It is a super-3 number, since 3×10288729³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10288727) 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, 467659 + ... + 467680.

It is an arithmetic number, because the mean of its divisors is an integer number (2806020).

Almost surely, 2^10288729 is an apocalyptic number.

It is an amenable number.

10288729 is a deficient number, since it is larger than the sum of its proper divisors (935351).

10288729 is an equidigital number, since it uses as much as digits as its factorization.

10288729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935350.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 10288729 is about 3207.6048696808. The cubic root of 10288729 is about 217.4973197362.

It can be divided in two parts, 102 and 88729, that added together give a triangular number (88831 = T₄₂₁).

The spelling of 10288729 in words is "ten million, two hundred eighty-eight thousand, seven hundred twenty-nine".