79068137 has 2 divisors, whose sum is σ = 79068138. Its totient is φ = 79068136.

The previous prime is 79068133. The next prime is 79068151. The reversal of 79068137 is 73186097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42719296 + 36348841 = 6536^2 + 6029^2 .

It is a cyclic number.

It is not a de Polignac number, because 79068137 - 2² = 79068133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79068094 and 79068103.

It is not a weakly prime, because it can be changed into another prime (79068133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39534068 + 39534069.

It is an arithmetic number, because the mean of its divisors is an integer number (39534069).

Almost surely, 2^79068137 is an apocalyptic number.

It is an amenable number.

79068137 is a deficient number, since it is larger than the sum of its proper divisors (1).

79068137 is an equidigital number, since it uses as much as digits as its factorization.

79068137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 79068137 is about 8892.0265969013. The cubic root of 79068137 is about 429.2073680107.

The spelling of 79068137 in words is "seventy-nine million, sixty-eight thousand, one hundred thirty-seven".