26720274 has 64 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 7294080.

The previous prime is 26720237. The next prime is 26720303. The reversal of 26720274 is 47202762.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101467 + ... + 101729.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^26720274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26720274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31933440).

26720274 is an abundant number, since it is smaller than the sum of its proper divisors (37146606).

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

26720274 is a wasteful number, since it uses less digits than its factorization.

26720274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 26720274 is about 5169.1656967058. The cubic root of 26720274 is about 298.9603792349.

It can be divided in two parts, 2 and 6720274, that added together give a palindrome (6720276).

The spelling of 26720274 in words is "twenty-six million, seven hundred twenty thousand, two hundred seventy-four".