26564272 has 60 divisors (see below), whose sum is σ = 61859136. Its totient is φ = 11007360.

The previous prime is 26564249. The next prime is 26564347. The reversal of 26564272 is 27246562.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23758 + ... + 24850.

Almost surely, 2^26564272 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 26564272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30929568).

26564272 is an abundant number, since it is smaller than the sum of its proper divisors (35294864).

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

26564272 is a wasteful number, since it uses less digits than its factorization.

26564272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1133 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 26564272 is about 5154.0539384062. The cubic root of 26564272 is about 298.3774326648.

The spelling of 26564272 in words is "twenty-six million, five hundred sixty-four thousand, two hundred seventy-two".