26706720 has 48 divisors (see below), whose sum is σ = 84127680. Its totient is φ = 7121664.

The previous prime is 26706707. The next prime is 26706727. The reversal of 26706720 is 2760762.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26706727) 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, 27340 + ... + 28299.

It is an arithmetic number, because the mean of its divisors is an integer number (1752660).

Almost surely, 2^26706720 is an apocalyptic number.

26706720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26706720 is an abundant number, since it is smaller than the sum of its proper divisors (57420960).

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

26706720 is a wasteful number, since it uses less digits than its factorization.

26706720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55657 (or 55649 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 26706720 is about 5167.8544871155. The cubic root of 26706720 is about 298.9098209420.

The spelling of 26706720 in words is "twenty-six million, seven hundred six thousand, seven hundred twenty".