26968407 has 4 divisors (see below), whose sum is σ = 35957880. Its totient is φ = 17978936.

The previous prime is 26968399. The next prime is 26968421. The reversal of 26968407 is 70486962.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26968407 - 2³ = 26968399 is a prime.

It is a super-2 number, since 2×26968407² = 1454589952235298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26968507) 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, 4494732 + ... + 4494737.

It is an arithmetic number, because the mean of its divisors is an integer number (8989470).

Almost surely, 2^26968407 is an apocalyptic number.

26968407 is a deficient number, since it is larger than the sum of its proper divisors (8989473).

26968407 is an equidigital number, since it uses as much as digits as its factorization.

26968407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989472.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 26968407 is about 5193.1114950480. Note that the first 3 decimals coincide. The cubic root of 26968407 is about 299.8829432205.

The spelling of 26968407 in words is "twenty-six million, nine hundred sixty-eight thousand, four hundred seven".