26920064 has 64 divisors (see below), whose sum is σ = 56459040. Its totient is φ = 12773376.

The previous prime is 26920039. The next prime is 26920073. The reversal of 26920064 is 46002962.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368732 + ... + 368804.

Almost surely, 2^26920064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26920064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28229520).

26920064 is an abundant number, since it is smaller than the sum of its proper divisors (29538976).

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

26920064 is an equidigital number, since it uses as much as digits as its factorization.

26920064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 26920064 is about 5188.4548759722. The cubic root of 26920064 is about 299.7036480890.

The spelling of 26920064 in words is "twenty-six million, nine hundred twenty thousand, sixty-four".