26434720 has 96 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 9569280.

The previous prime is 26434717. The next prime is 26434721. The reversal of 26434720 is 2743462.

It is not an unprimeable number, because it can be changed into a prime (26434721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147591 + ... + 147769.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^26434720 is an apocalyptic number.

26434720 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 26434720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34292160).

26434720 is an abundant number, since it is smaller than the sum of its proper divisors (42149600).

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

26434720 is a wasteful number, since it uses less digits than its factorization.

26434720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 26434720 is about 5141.4706067428. The cubic root of 26434720 is about 297.8915870673.

The spelling of 26434720 in words is "twenty-six million, four hundred thirty-four thousand, seven hundred twenty".