26694047 has 4 divisors (see below), whose sum is σ = 26713896. Its totient is φ = 26674200.

The previous prime is 26694043. The next prime is 26694049. The reversal of 26694047 is 74049662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74049662 = 2 ⋅37024831.

It is a cyclic number.

It is not a de Polignac number, because 26694047 - 2² = 26694043 is a prime.

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 26694047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26694043) 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, 7748 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (6678474).

Almost surely, 2^26694047 is an apocalyptic number.

26694047 is a deficient number, since it is larger than the sum of its proper divisors (19849).

26694047 is a wasteful number, since it uses less digits than its factorization.

26694047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19848.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 26694047 is about 5166.6282041579. The cubic root of 26694047 is about 298.8625334241.

The spelling of 26694047 in words is "twenty-six million, six hundred ninety-four thousand, forty-seven".