26732928 has 64 divisors (see below), whose sum is σ = 72705600. Its totient is φ = 8698368.

The previous prime is 26732921. The next prime is 26732977. The reversal of 26732928 is 82923762.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26732921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15703 + ... + 17321.

It is an arithmetic number, because the mean of its divisors is an integer number (1136025).

Almost surely, 2^26732928 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 26732928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36352800).

26732928 is an abundant number, since it is smaller than the sum of its proper divisors (45972672).

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

26732928 is a wasteful number, since it uses less digits than its factorization.

26732928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1667 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 26732928 is about 5170.3895404505. The cubic root of 26732928 is about 299.0075649738.

The spelling of 26732928 in words is "twenty-six million, seven hundred thirty-two thousand, nine hundred twenty-eight".