26970137 has 4 divisors (see below), whose sum is σ = 26981136. Its totient is φ = 26959140.

The previous prime is 26970133. The next prime is 26970173. The reversal of 26970137 is 73107962.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26970137 - 2² = 26970133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26970097 and 26970106.

It is not an unprimeable number, because it can be changed into a prime (26970133) by changing a digit.

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, 38 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (6745284).

Almost surely, 2^26970137 is an apocalyptic number.

It is an amenable number.

26970137 is a deficient number, since it is larger than the sum of its proper divisors (10999).

26970137 is an equidigital number, since it uses as much as digits as its factorization.

26970137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10998.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 26970137 is about 5193.2780591838. The cubic root of 26970137 is about 299.8893554940.

The spelling of 26970137 in words is "twenty-six million, nine hundred seventy thousand, one hundred thirty-seven".