34078691 has 2 divisors, whose sum is σ = 34078692. Its totient is φ = 34078690.

The previous prime is 34078669. The next prime is 34078699. The reversal of 34078691 is 19687043.

It is a strong prime.

It is an emirp because it is prime and its reverse (19687043) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34078691 is a prime.

It is a super-2 number, since 2×34078691² = 2322714360546962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34078699) 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, 17039345 + 17039346.

It is an arithmetic number, because the mean of its divisors is an integer number (17039346).

Almost surely, 2^34078691 is an apocalyptic number.

34078691 is a deficient number, since it is larger than the sum of its proper divisors (1).

34078691 is an equidigital number, since it uses as much as digits as its factorization.

34078691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 34078691 is about 5837.6956926513. The cubic root of 34078691 is about 324.2109172577.

The spelling of 34078691 in words is "thirty-four million, seventy-eight thousand, six hundred ninety-one".