26427420 has 36 divisors (see below), whose sum is σ = 80163720. Its totient is φ = 7047264.

The previous prime is 26427419. The next prime is 26427451. The reversal of 26427420 is 2472462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 73230 + ... + 73589.

It is an arithmetic number, because the mean of its divisors is an integer number (2226770).

Almost surely, 2^26427420 is an apocalyptic number.

26427420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26427420 is an abundant number, since it is smaller than the sum of its proper divisors (53736300).

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

26427420 is a wasteful number, since it uses less digits than its factorization.

26427420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146834 (or 146829 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 26427420 is about 5140.7606441071. The cubic root of 26427420 is about 297.8641634266.

Adding to 26427420 its reverse (2472462), we get a palindrome (28899882).

The spelling of 26427420 in words is "twenty-six million, four hundred twenty-seven thousand, four hundred twenty".