26728832 has 32 divisors (see below), whose sum is σ = 57348480. Its totient is φ = 12335616.

The previous prime is 26728831. The next prime is 26728859. The reversal of 26728832 is 23882762.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26728831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6368 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (1792140).

Almost surely, 2^26728832 is an apocalyptic number.

It is an amenable number.

26728832 is an abundant number, since it is smaller than the sum of its proper divisors (30619648).

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

26728832 is a wasteful number, since it uses less digits than its factorization.

26728832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16090 (or 16078 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 26728832 is about 5169.9934235935. The cubic root of 26728832 is about 298.9922929524.

The spelling of 26728832 in words is "twenty-six million, seven hundred twenty-eight thousand, eight hundred thirty-two".