26872634 has 4 divisors (see below), whose sum is σ = 40308954. Its totient is φ = 13436316.

The previous prime is 26872627. The next prime is 26872639. The reversal of 26872634 is 43627862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43627862 = 2 ⋅21813931.

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 319225 = 5153^2 + 565^2 .

It is not an unprimeable number, because it can be changed into a prime (26872639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6718157 + ... + 6718160.

Almost surely, 2^26872634 is an apocalyptic number.

26872634 is a deficient number, since it is larger than the sum of its proper divisors (13436320).

26872634 is a wasteful number, since it uses less digits than its factorization.

26872634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13436319.

The product of its digits is 96768, while the sum is 38.

The square root of 26872634 is about 5183.8821360058. The cubic root of 26872634 is about 299.5275303729.

The spelling of 26872634 in words is "twenty-six million, eight hundred seventy-two thousand, six hundred thirty-four".