26670345 has 32 divisors (see below), whose sum is σ = 46230912. Its totient is φ = 13051392.

The previous prime is 26670283. The next prime is 26670349. The reversal of 26670345 is 54307662.

It is not a de Polignac number, because 26670345 - 2⁸ = 26670089 is a prime.

It is a super-2 number, since 2×26670345² = 1422614604838050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26670349) 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 31 ways as a sum of consecutive naturals, for example, 45142 + ... + 45728.

It is an arithmetic number, because the mean of its divisors is an integer number (1444716).

Almost surely, 2^26670345 is an apocalyptic number.

It is an amenable number.

26670345 is a deficient number, since it is larger than the sum of its proper divisors (19560567).

26670345 is a wasteful number, since it uses less digits than its factorization.

26670345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 26670345 is about 5164.3339357559. Note that the first 3 decimals coincide. The cubic root of 26670345 is about 298.7740525560.

The spelling of 26670345 in words is "twenty-six million, six hundred seventy thousand, three hundred forty-five".