26149730 has 16 divisors (see below), whose sum is σ = 47511360. Its totient is φ = 10361712.

The previous prime is 26149729. The next prime is 26149741. The reversal of 26149730 is 3794162.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 11150 + ... + 13289.

It is an arithmetic number, because the mean of its divisors is an integer number (2969460).

Almost surely, 2^26149730 is an apocalyptic number.

26149730 is a deficient number, since it is larger than the sum of its proper divisors (21361630).

26149730 is a wasteful number, since it uses less digits than its factorization.

26149730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24553.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 26149730 is about 5113.6806705151. The cubic root of 26149730 is about 296.8172039659.

The spelling of 26149730 in words is "twenty-six million, one hundred forty-nine thousand, seven hundred thirty".