26722072 has 32 divisors (see below), whose sum is σ = 54583200. Its totient is φ = 12190464.

The previous prime is 26722063. The next prime is 26722081. The reversal of 26722072 is 27022762.

It is an interprime number because it is at equal distance from previous prime (26722063) and next prime (26722081).

It is a self number, because there is not a number n which added to its sum of digits gives 26722072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7813 + ... + 10699.

It is an arithmetic number, because the mean of its divisors is an integer number (1705725).

Almost surely, 2^26722072 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 26722072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27291600).

26722072 is an abundant number, since it is smaller than the sum of its proper divisors (27861128).

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

26722072 is a wasteful number, since it uses less digits than its factorization.

26722072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 26722072 is about 5169.3396096600. The cubic root of 26722072 is about 298.9670847388.

The spelling of 26722072 in words is "twenty-six million, seven hundred twenty-two thousand, seventy-two".