26875720 has 16 divisors (see below), whose sum is σ = 60470460. Its totient is φ = 10750272.

The previous prime is 26875711. The next prime is 26875741. The reversal of 26875720 is 2757862.

It can be written as a sum of positive squares in 2 ways, for example, as 24423364 + 2452356 = 4942^2 + 1566^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26875720.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 335907 + ... + 335986.

Almost surely, 2^26875720 is an apocalyptic number.

26875720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26875720 is an abundant number, since it is smaller than the sum of its proper divisors (33594740).

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

26875720 is a wasteful number, since it uses less digits than its factorization.

26875720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671904 (or 671900 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 26875720 is about 5184.1797808332. The cubic root of 26875720 is about 299.5389956499.

The spelling of 26875720 in words is "twenty-six million, eight hundred seventy-five thousand, seven hundred twenty".