26342172 has 72 divisors (see below), whose sum is σ = 70844592. Its totient is φ = 8553600.

The previous prime is 26342161. The next prime is 26342209. The reversal of 26342172 is 27124362.

26342172 is a `hidden beast` number, since 2 + 634 + 21 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 39522 + ... + 40182.

Almost surely, 2^26342172 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 26342172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35422296).

26342172 is an abundant number, since it is smaller than the sum of its proper divisors (44502420).

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

26342172 is a wasteful number, since it uses less digits than its factorization.

26342172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721 (or 707 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 26342172 is about 5132.4625668387. The cubic root of 26342172 is about 297.5435409285.

The spelling of 26342172 in words is "twenty-six million, three hundred forty-two thousand, one hundred seventy-two".