26164772 has 12 divisors (see below), whose sum is σ = 47026140. Its totient is φ = 12728736.

The previous prime is 26164771. The next prime is 26164783. The reversal of 26164772 is 27746162.

It can be written as a sum of positive squares in 2 ways, for example, as 13942756 + 12222016 = 3734^2 + 3496^2 .

It is not an unprimeable number, because it can be changed into a prime (26164771) 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 3 ways as a sum of consecutive naturals, for example, 88247 + ... + 88542.

It is an arithmetic number, because the mean of its divisors is an integer number (3918845).

Almost surely, 2^26164772 is an apocalyptic number.

It is an amenable number.

26164772 is a deficient number, since it is larger than the sum of its proper divisors (20861368).

26164772 is a wasteful number, since it uses less digits than its factorization.

26164772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176830 (or 176828 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 26164772 is about 5115.1512196611. The cubic root of 26164772 is about 296.8741053639.

The spelling of 26164772 in words is "twenty-six million, one hundred sixty-four thousand, seven hundred seventy-two".