26926720 has 32 divisors (see below), whose sum is σ = 64373220. Its totient is φ = 10770432.

The previous prime is 26926673. The next prime is 26926727. The reversal of 26926720 is 2762962.

It can be written as a sum of positive squares in 2 ways, for example, as 23270976 + 3655744 = 4824^2 + 1912^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (26926727) 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, 20397 + ... + 21676.

Almost surely, 2^26926720 is an apocalyptic number.

26926720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26926720 is an abundant number, since it is smaller than the sum of its proper divisors (37446500).

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

26926720 is an equidigital number, since it uses as much as digits as its factorization.

26926720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42092 (or 42080 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 26926720 is about 5189.0962604292. The cubic root of 26926720 is about 299.7283466818.

The spelling of 26926720 in words is "twenty-six million, nine hundred twenty-six thousand, seven hundred twenty".