26940697 has 4 divisors (see below), whose sum is σ = 30789376. Its totient is φ = 23092020.

The previous prime is 26940653. The next prime is 26940701. The reversal of 26940697 is 79604962.

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.

It is not a de Polignac number, because 26940697 - 2⁷ = 26940569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26940647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924329 + ... + 1924342.

It is an arithmetic number, because the mean of its divisors is an integer number (7697344).

Almost surely, 2^26940697 is an apocalyptic number.

It is an amenable number.

26940697 is a deficient number, since it is larger than the sum of its proper divisors (3848679).

26940697 is an equidigital number, since it uses as much as digits as its factorization.

26940697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848678.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 26940697 is about 5190.4428520118. The cubic root of 26940697 is about 299.7801982559.

The spelling of 26940697 in words is "twenty-six million, nine hundred forty thousand, six hundred ninety-seven".