26250720 has 96 divisors (see below), whose sum is σ = 87581088. Its totient is φ = 6586368.

The previous prime is 26250709. The next prime is 26250743. The reversal of 26250720 is 2705262.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6552 + ... + 9768.

It is an arithmetic number, because the mean of its divisors is an integer number (912303).

Almost surely, 2^26250720 is an apocalyptic number.

26250720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26250720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43790544).

26250720 is an abundant number, since it is smaller than the sum of its proper divisors (61330368).

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

26250720 is a wasteful number, since it uses less digits than its factorization.

26250720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 26250720 is about 5123.5456473032. The cubic root of 26250720 is about 297.1988148348.

Adding to 26250720 its reverse (2705262), we get a palindrome (28955982).

The spelling of 26250720 in words is "twenty-six million, two hundred fifty thousand, seven hundred twenty".