26768564 has 6 divisors (see below), whose sum is σ = 46844994. Its totient is φ = 13384280.

The previous prime is 26768561. The next prime is 26768603. The reversal of 26768564 is 46586762.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 3168400 = 4858^2 + 1780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26768561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3346067 + ... + 3346074.

It is an arithmetic number, because the mean of its divisors is an integer number (7807499).

Almost surely, 2^26768564 is an apocalyptic number.

It is an amenable number.

26768564 is a deficient number, since it is larger than the sum of its proper divisors (20076430).

26768564 is a wasteful number, since it uses less digits than its factorization.

26768564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692145 (or 6692143 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 26768564 is about 5173.8345547572. The cubic root of 26768564 is about 299.1403687628.

The spelling of 26768564 in words is "twenty-six million, seven hundred sixty-eight thousand, five hundred sixty-four".