10269749 has 4 divisors (see below), whose sum is σ = 11736864. Its totient is φ = 8802636.

The previous prime is 10269739. The next prime is 10269769. The reversal of 10269749 is 94796201.

10269749 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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: 94796201 = 1153 ⋅82217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10269749 is a prime.

It is a Duffinian number.

10269749 is strictly pandigital in base 8.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 733547 + ... + 733560.

It is an arithmetic number, because the mean of its divisors is an integer number (2934216).

Almost surely, 2^10269749 is an apocalyptic number.

It is an amenable number.

10269749 is a deficient number, since it is larger than the sum of its proper divisors (1467115).

10269749 is an equidigital number, since it uses as much as digits as its factorization.

10269749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467114.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 10269749 is about 3204.6449101265. The cubic root of 10269749 is about 217.3634956214.

The spelling of 10269749 in words is "ten million, two hundred sixty-nine thousand, seven hundred forty-nine".