26720562 has 32 divisors (see below), whose sum is σ = 59264064. Its totient is φ = 7963200.

The previous prime is 26720539. The next prime is 26720563. The reversal of 26720562 is 26502762.

It is not an unprimeable number, because it can be changed into a prime (26720563) 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, 708 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (1852002).

Almost surely, 2^26720562 is an apocalyptic number.

26720562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 26720562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29632032).

26720562 is an abundant number, since it is smaller than the sum of its proper divisors (32543502).

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

26720562 is a wasteful number, since it uses less digits than its factorization.

26720562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 26720562 is about 5169.1935541243. The cubic root of 26720562 is about 298.9614533292.

The spelling of 26720562 in words is "twenty-six million, seven hundred twenty thousand, five hundred sixty-two".