26270172 has 36 divisors (see below), whose sum is σ = 68697720. Its totient is φ = 8454432.

The previous prime is 26270131. The next prime is 26270177. The reversal of 26270172 is 27107262.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26270177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11538 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (1908270).

Almost surely, 2^26270172 is an apocalyptic number.

It is an amenable number.

26270172 is an abundant number, since it is smaller than the sum of its proper divisors (42427548).

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

26270172 is a wasteful number, since it uses less digits than its factorization.

26270172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25202 (or 25197 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 26270172 is about 5125.4435905588. The cubic root of 26270172 is about 297.2722056343.

The spelling of 26270172 in words is "twenty-six million, two hundred seventy thousand, one hundred seventy-two".