34172071 has 2 divisors, whose sum is σ = 34172072. Its totient is φ = 34172070.

The previous prime is 34172069. The next prime is 34172119. The reversal of 34172071 is 17027143.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34172071 - 2¹ = 34172069 is a prime.

Together with 34172069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34173071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17086035 + 17086036.

It is an arithmetic number, because the mean of its divisors is an integer number (17086036).

Almost surely, 2^34172071 is an apocalyptic number.

34172071 is a deficient number, since it is larger than the sum of its proper divisors (1).

34172071 is an equidigital number, since it uses as much as digits as its factorization.

34172071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 34172071 is about 5845.6882400621. The cubic root of 34172071 is about 324.5067737425.

The spelling of 34172071 in words is "thirty-four million, one hundred seventy-two thousand, seventy-one".