26742137 has 2 divisors, whose sum is σ = 26742138. Its totient is φ = 26742136.

The previous prime is 26742113. The next prime is 26742151. The reversal of 26742137 is 73124762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 3519376 = 4819^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 26742137 - 2²⁰ = 25693561 is a prime.

It is not a weakly prime, because it can be changed into another prime (26742197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13371068 + 13371069.

It is an arithmetic number, because the mean of its divisors is an integer number (13371069).

Almost surely, 2^26742137 is an apocalyptic number.

It is an amenable number.

26742137 is a deficient number, since it is larger than the sum of its proper divisors (1).

26742137 is an equidigital number, since it uses as much as digits as its factorization.

26742137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 26742137 is about 5171.2800156248. The cubic root of 26742137 is about 299.0418952268.

Adding to 26742137 its reverse (73124762), we get a palindrome (99866899).

The spelling of 26742137 in words is "twenty-six million, seven hundred forty-two thousand, one hundred thirty-seven".