26723172 has 48 divisors (see below), whose sum is σ = 72181760. Its totient is φ = 7536672.

The previous prime is 26723161. The next prime is 26723219. The reversal of 26723172 is 27132762.

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 4623 + ... + 8649.

Almost surely, 2^26723172 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 26723172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36090880).

26723172 is an abundant number, since it is smaller than the sum of its proper divisors (45458588).

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

26723172 is a wasteful number, since it uses less digits than its factorization.

26723172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120 (or 4118 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 26723172 is about 5169.4460051344. The cubic root of 26723172 is about 298.9711869567.

The spelling of 26723172 in words is "twenty-six million, seven hundred twenty-three thousand, one hundred seventy-two".