26670047 has 2 divisors, whose sum is σ = 26670048. Its totient is φ = 26670046.

The previous prime is 26670037. The next prime is 26670089. The reversal of 26670047 is 74007662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26670047 - 2⁴ = 26670031 is a prime.

It is a super-2 number, since 2×26670047² = 1422582813964418, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26669995 and 26670022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26670037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13335023 + 13335024.

It is an arithmetic number, because the mean of its divisors is an integer number (13335024).

Almost surely, 2^26670047 is an apocalyptic number.

26670047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26670047 is an equidigital number, since it uses as much as digits as its factorization.

26670047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 26670047 is about 5164.3050839392. The cubic root of 26670047 is about 298.7729397720.

The spelling of 26670047 in words is "twenty-six million, six hundred seventy thousand, forty-seven".