26806740 has 48 divisors (see below), whose sum is σ = 75425280. Its totient is φ = 7113600.

The previous prime is 26806721. The next prime is 26806751. The reversal of 26806740 is 4760862.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 12765 + ... + 14715.

It is an arithmetic number, because the mean of its divisors is an integer number (1571360).

Almost surely, 2^26806740 is an apocalyptic number.

26806740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26806740 is an abundant number, since it is smaller than the sum of its proper divisors (48618540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26806740 is a wasteful number, since it uses less digits than its factorization.

26806740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 26806740 is about 5177.5225735867. The cubic root of 26806740 is about 299.2825076058.

The spelling of 26806740 in words is "twenty-six million, eight hundred six thousand, seven hundred forty".