26770000 has 50 divisors (see below), whose sum is σ = 64837058. Its totient is φ = 10704000.

The previous prime is 26769997. The next prime is 26770001. The reversal of 26770000 is 7762.

It can be written as a sum of positive squares in 5 ways, for example, as 18974736 + 7795264 = 4356^2 + 2792^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26770001) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 8662 + ... + 11338.

Almost surely, 2^26770000 is an apocalyptic number.

26770000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26770000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32418529).

26770000 is an abundant number, since it is smaller than the sum of its proper divisors (38067058).

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

26770000 is an equidigital number, since it uses as much as digits as its factorization.

26770000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 26770000 is about 5173.9733281106. The cubic root of 26770000 is about 299.1457177970.

Adding to 26770000 its reverse (7762), we get a palindrome (26777762).

The spelling of 26770000 in words is "twenty-six million, seven hundred seventy thousand".