26730872 has 96 divisors (see below), whose sum is σ = 63680400. Its totient is φ = 10450944.

The previous prime is 26730863. The next prime is 26730877. The reversal of 26730872 is 27803762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26730877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275528 + ... + 275624.

Almost surely, 2^26730872 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 26730872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31840200).

26730872 is an abundant number, since it is smaller than the sum of its proper divisors (36949528).

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

26730872 is a wasteful number, since it uses less digits than its factorization.

26730872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 26730872 is about 5170.1907121498. The cubic root of 26730872 is about 298.9998993300. Note that the first 3 decimals are identical.

The spelling of 26730872 in words is "twenty-six million, seven hundred thirty thousand, eight hundred seventy-two".