26739242 has 16 divisors (see below), whose sum is σ = 41164200. Its totient is φ = 13021632.

The previous prime is 26739227. The next prime is 26739259. The reversal of 26739242 is 24293762.

It is a happy number.

It is a Cunningham number, because it is equal to 5171²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 19280881 + 7458361 = 4391^2 + 2731^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14948 + ... + 16640.

Almost surely, 2^26739242 is an apocalyptic number.

26739242 is a deficient number, since it is larger than the sum of its proper divisors (14424958).

26739242 is a wasteful number, since it uses less digits than its factorization.

26739242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its digits is 36288, while the sum is 35.

The square root of 26739242 is about 5171.0000966931. Note that the first 4 decimals coincide. The cubic root of 26739242 is about 299.0311037989.

The spelling of 26739242 in words is "twenty-six million, seven hundred thirty-nine thousand, two hundred forty-two".