26730432 has 112 divisors (see below), whose sum is σ = 81280000. Its totient is φ = 8605440.

The previous prime is 26730413. The next prime is 26730433. The reversal of 26730432 is 23403762.

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

It is a junction number, because it is equal to n+sod(n) for n = 26730396 and 26730405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26730433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53319 + ... + 53817.

Almost surely, 2^26730432 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 26730432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40640000).

26730432 is an abundant number, since it is smaller than the sum of its proper divisors (54549568).

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

26730432 is a wasteful number, since it uses less digits than its factorization.

26730432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 26730432 is about 5170.1481603529. The cubic root of 26730432 is about 298.9982587715.

The spelling of 26730432 in words is "twenty-six million, seven hundred thirty thousand, four hundred thirty-two".