26749745 has 32 divisors (see below), whose sum is σ = 37463040. Its totient is φ = 18144000.

The previous prime is 26749729. The next prime is 26749763. The reversal of 26749745 is 54794762.

It is not a de Polignac number, because 26749745 - 2⁴ = 26749729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26749696 and 26749705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49175 + ... + 49715.

It is an arithmetic number, because the mean of its divisors is an integer number (1170720).

Almost surely, 2^26749745 is an apocalyptic number.

It is an amenable number.

26749745 is a deficient number, since it is larger than the sum of its proper divisors (10713295).

26749745 is a wasteful number, since it uses less digits than its factorization.

26749745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its digits is 423360, while the sum is 44.

The square root of 26749745 is about 5172.0155645551. The cubic root of 26749745 is about 299.0702511633.

The spelling of 26749745 in words is "twenty-six million, seven hundred forty-nine thousand, seven hundred forty-five".