26942720 has 144 divisors (see below), whose sum is σ = 76919808. Its totient is φ = 8847360.

The previous prime is 26942717. The next prime is 26942723. The reversal of 26942720 is 2724962.

It is an interprime number because it is at equal distance from previous prime (26942717) and next prime (26942723).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26942723) 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, 277712 + ... + 277808.

Almost surely, 2^26942720 is an apocalyptic number.

26942720 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 26942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38459904).

26942720 is an abundant number, since it is smaller than the sum of its proper divisors (49977088).

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

26942720 is an equidigital number, since it uses as much as digits as its factorization.

26942720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 26942720 is about 5190.6377257520. The cubic root of 26942720 is about 299.7877016520.

The spelling of 26942720 in words is "twenty-six million, nine hundred forty-two thousand, seven hundred twenty".