26673945 has 8 divisors (see below), whose sum is σ = 42678336. Its totient is φ = 14226096.

The previous prime is 26673931. The next prime is 26673949. The reversal of 26673945 is 54937662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26673945 - 2⁹ = 26673433 is a prime.

It is a super-2 number, since 2×26673945² = 1422998683726050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 26673897 and 26673906.

It is not an unprimeable number, because it can be changed into a prime (26673949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889117 + ... + 889146.

It is an arithmetic number, because the mean of its divisors is an integer number (5334792).

Almost surely, 2^26673945 is an apocalyptic number.

It is an amenable number.

26673945 is a deficient number, since it is larger than the sum of its proper divisors (16004391).

26673945 is a wasteful number, since it uses less digits than its factorization.

26673945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778271.

The product of its digits is 272160, while the sum is 42.

The square root of 26673945 is about 5164.6824684582. The cubic root of 26673945 is about 298.7874949292.

The spelling of 26673945 in words is "twenty-six million, six hundred seventy-three thousand, nine hundred forty-five".