26670146 has 8 divisors (see below), whose sum is σ = 40049100. Its totient is φ = 13320448.

The previous prime is 26670143. The next prime is 26670157. The reversal of 26670146 is 64107662.

It can be written as a sum of positive squares in 2 ways, for example, as 26635921 + 34225 = 5161^2 + 185^2 .

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

It is a super-2 number, since 2×26670146² = 1422593375322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26670143) 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, 4871 + ... + 8778.

Almost surely, 2^26670146 is an apocalyptic number.

26670146 is a deficient number, since it is larger than the sum of its proper divisors (13378954).

26670146 is a wasteful number, since it uses less digits than its factorization.

26670146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 26670146 is about 5164.3146689566. The cubic root of 26670146 is about 298.7733094562.

The spelling of 26670146 in words is "twenty-six million, six hundred seventy thousand, one hundred forty-six".