26840074 has 4 divisors (see below), whose sum is σ = 40260114. Its totient is φ = 13420036.

The previous prime is 26840071. The next prime is 26840083. The reversal of 26840074 is 47004862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47004862 = 2 ⋅23502431.

It can be written as a sum of positive squares in only one way, i.e., 19316025 + 7524049 = 4395^2 + 2743^2 .

It is not an unprimeable number, because it can be changed into a prime (26840071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710017 + ... + 6710020.

Almost surely, 2^26840074 is an apocalyptic number.

26840074 is a deficient number, since it is larger than the sum of its proper divisors (13420040).

26840074 is a wasteful number, since it uses less digits than its factorization.

26840074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13420039.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 26840074 is about 5180.7406806363. The cubic root of 26840074 is about 299.4065081471.

The spelling of 26840074 in words is "twenty-six million, eight hundred forty thousand, seventy-four".