26700001 has 4 divisors (see below), whose sum is σ = 26835732. Its totient is φ = 26564272.

The previous prime is 26699999. The next prime is 26700007. The reversal of 26700001 is 10000762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10000762 = 2 ⋅5000381.

It can be written as a sum of positive squares in 2 ways, for example, as 25010001 + 1690000 = 5001^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 26700001 - 2¹ = 26699999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26700007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67570 + ... + 67963.

It is an arithmetic number, because the mean of its divisors is an integer number (6708933).

Almost surely, 2^26700001 is an apocalyptic number.

It is an amenable number.

26700001 is a deficient number, since it is larger than the sum of its proper divisors (135731).

26700001 is a wasteful number, since it uses less digits than its factorization.

26700001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135730.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 26700001 is about 5167.2043698696. The cubic root of 26700001 is about 298.8847518016.

Adding to 26700001 its reverse (10000762), we get a palindrome (36700763).

The spelling of 26700001 in words is "twenty-six million, seven hundred thousand, one".