26731090 has 16 divisors (see below), whose sum is σ = 48464640. Its totient is φ = 10614960.

The previous prime is 26731049. The next prime is 26731097. The reversal of 26731090 is 9013762.

It is not an unprimeable number, because it can be changed into a prime (26731097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8226 + ... + 11005.

It is an arithmetic number, because the mean of its divisors is an integer number (3029040).

Almost surely, 2^26731090 is an apocalyptic number.

26731090 is a deficient number, since it is larger than the sum of its proper divisors (21733550).

26731090 is a wasteful number, since it uses less digits than its factorization.

26731090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19377.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 26731090 is about 5170.2117945013. The cubic root of 26731090 is about 299.0007121454. Note that the first 3 decimals are identical.

The spelling of 26731090 in words is "twenty-six million, seven hundred thirty-one thousand, ninety".