34140679 has 2 divisors, whose sum is σ = 34140680. Its totient is φ = 34140678.

The previous prime is 34140643. The next prime is 34140683. The reversal of 34140679 is 97604143.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34140679 - 2¹⁹ = 33616391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34140629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17070339 + 17070340.

It is an arithmetic number, because the mean of its divisors is an integer number (17070340).

Almost surely, 2^34140679 is an apocalyptic number.

34140679 is a deficient number, since it is larger than the sum of its proper divisors (1).

34140679 is an equidigital number, since it uses as much as digits as its factorization.

34140679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 34140679 is about 5843.0025671738. The cubic root of 34140679 is about 324.4073744639.

The spelling of 34140679 in words is "thirty-four million, one hundred forty thousand, six hundred seventy-nine".