26755664 has 40 divisors (see below), whose sum is σ = 56142240. Its totient is φ = 12279168.

The previous prime is 26755633. The next prime is 26755679. The reversal of 26755664 is 46655762.

It is a congruent number.

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, 63647 + ... + 64065.

It is an arithmetic number, because the mean of its divisors is an integer number (1403556).

Almost surely, 2^26755664 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 26755664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28071120).

26755664 is an abundant number, since it is smaller than the sum of its proper divisors (29386576).

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

26755664 is a wasteful number, since it uses less digits than its factorization.

26755664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 741 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 26755664 is about 5172.5877469599. The cubic root of 26755664 is about 299.0923082741.

The spelling of 26755664 in words is "twenty-six million, seven hundred fifty-five thousand, six hundred sixty-four".