34207997 has 4 divisors (see below), whose sum is σ = 34242780. Its totient is φ = 34173216.

The previous prime is 34207967. The next prime is 34208003. The reversal of 34207997 is 79970243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11062276 + 23145721 = 3326^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 34207997 - 2⁸ = 34207741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34207967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15872 + ... + 17897.

It is an arithmetic number, because the mean of its divisors is an integer number (8560695).

Almost surely, 2^34207997 is an apocalyptic number.

It is an amenable number.

34207997 is a deficient number, since it is larger than the sum of its proper divisors (34783).

34207997 is a wasteful number, since it uses less digits than its factorization.

34207997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 34207997 is about 5848.7602959944. The cubic root of 34207997 is about 324.6204547580.

The spelling of 34207997 in words is "thirty-four million, two hundred seven thousand, nine hundred ninety-seven".