26620764 has 24 divisors (see below), whose sum is σ = 62968080. Its totient is φ = 8751744.

The previous prime is 26620747. The next prime is 26620771. The reversal of 26620764 is 46702662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14319 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (2623670).

Almost surely, 2^26620764 is an apocalyptic number.

It is an amenable number.

26620764 is an abundant number, since it is smaller than the sum of its proper divisors (36347316).

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

26620764 is a wasteful number, since it uses less digits than its factorization.

26620764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30469 (or 30467 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 26620764 is about 5159.5313740688. The cubic root of 26620764 is about 298.5887942927.

The spelling of 26620764 in words is "twenty-six million, six hundred twenty thousand, seven hundred sixty-four".