26770681 has 8 divisors (see below), whose sum is σ = 30801600. Its totient is φ = 22791408.

The previous prime is 26770673. The next prime is 26770687. The reversal of 26770681 is 18607762.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26770681 - 2³ = 26770673 is a prime.

It is a super-2 number, since 2×26770681² = 1433338722407522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26770681.

It is not an unprimeable number, because it can be changed into a prime (26770687) 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, 11791 + ... + 13876.

It is an arithmetic number, because the mean of its divisors is an integer number (3850200).

Almost surely, 2^26770681 is an apocalyptic number.

It is an amenable number.

26770681 is a deficient number, since it is larger than the sum of its proper divisors (4030919).

26770681 is a wasteful number, since it uses less digits than its factorization.

26770681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25823.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 26770681 is about 5174.0391378497. The cubic root of 26770681 is about 299.1482544239.

The spelling of 26770681 in words is "twenty-six million, seven hundred seventy thousand, six hundred eighty-one".