10023749 has 4 divisors (see below), whose sum is σ = 10115820. Its totient is φ = 9931680.

The previous prime is 10023743. The next prime is 10023751. The reversal of 10023749 is 94732001.

10023749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 4870849 = 2270^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 10023749 - 2²⁰ = 8975173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023743) 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, 45872 + ... + 46089.

It is an arithmetic number, because the mean of its divisors is an integer number (2528955).

Almost surely, 2^10023749 is an apocalyptic number.

It is an amenable number.

10023749 is a deficient number, since it is larger than the sum of its proper divisors (92071).

10023749 is an equidigital number, since it uses as much as digits as its factorization.

10023749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92070.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 10023749 is about 3166.0304799544. The cubic root of 10023749 is about 215.6138863977.

The spelling of 10023749 in words is "ten million, twenty-three thousand, seven hundred forty-nine".