10081749 has 4 divisors (see below), whose sum is σ = 13442336. Its totient is φ = 6721164.

The previous prime is 10081733. The next prime is 10081759. The reversal of 10081749 is 94718001.

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.

It is not a de Polignac number, because 10081749 - 2⁴ = 10081733 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 (10081759) 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, 1680289 + ... + 1680294.

It is an arithmetic number, because the mean of its divisors is an integer number (3360584).

Almost surely, 2^10081749 is an apocalyptic number.

It is an amenable number.

10081749 is a deficient number, since it is larger than the sum of its proper divisors (3360587).

10081749 is an equidigital number, since it uses as much as digits as its factorization.

10081749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360586.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 10081749 is about 3175.1770029402. The cubic root of 10081749 is about 216.0289527376.

The spelling of 10081749 in words is "ten million, eighty-one thousand, seven hundred forty-nine".