26613872 has 20 divisors (see below), whose sum is σ = 53228736. Its totient is φ = 12877440.

The previous prime is 26613869. The next prime is 26613877. The reversal of 26613872 is 27831662.

It is a happy number.

26613872 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26613877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26333 + ... + 27324.

Almost surely, 2^26613872 is an apocalyptic number.

It is an amenable number.

26613872 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

26613872 is a wasteful number, since it uses less digits than its factorization.

26613872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53696 (or 53690 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 26613872 is about 5158.8634407203. The cubic root of 26613872 is about 298.5630242886.

The spelling of 26613872 in words is "twenty-six million, six hundred thirteen thousand, eight hundred seventy-two".