26220672 has 112 divisors (see below), whose sum is σ = 78597630. Its totient is φ = 8709120.

The previous prime is 26220661. The next prime is 26220673. The reversal of 26220672 is 27602262.

It can be written as a sum of positive squares in only one way, i.e., 20575296 + 5645376 = 4536^2 + 2376^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (26220673) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 93172 + ... + 93452.

Almost surely, 2^26220672 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 26220672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39298815).

26220672 is an abundant number, since it is smaller than the sum of its proper divisors (52376958).

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

26220672 is an frugal number, since it uses more digits than its factorization.

26220672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 26220672 is about 5120.6124633680. The cubic root of 26220672 is about 297.0853749050.

The spelling of 26220672 in words is "twenty-six million, two hundred twenty thousand, six hundred seventy-two".