10269729 has 6 divisors (see below), whose sum is σ = 14834066. Its totient is φ = 6846480.

The previous prime is 10269719. The next prime is 10269739. The reversal of 10269729 is 92796201.

It is an interprime number because it is at equal distance from previous prime (10269719) and next prime (10269739).

It can be written as a sum of positive squares in only one way, i.e., 10093329 + 176400 = 3177^2 + 420^2 .

It is not a de Polignac number, because 10269729 - 2¹⁷ = 10138657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10269693 and 10269702.

It is not an unprimeable number, because it can be changed into a prime (10269719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 570532 + ... + 570549.

Almost surely, 2^10269729 is an apocalyptic number.

It is an amenable number.

10269729 is a deficient number, since it is larger than the sum of its proper divisors (4564337).

10269729 is a wasteful number, since it uses less digits than its factorization.

10269729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141087 (or 1141084 counting only the distinct ones).

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

The square root of 10269729 is about 3204.6417896545. The cubic root of 10269729 is about 217.3633545186.

The spelling of 10269729 in words is "ten million, two hundred sixty-nine thousand, seven hundred twenty-nine".