34975991 has 2 divisors, whose sum is σ = 34975992. Its totient is φ = 34975990.

The previous prime is 34975961. The next prime is 34975999. The reversal of 34975991 is 19957943.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34975991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34975999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17487995 + 17487996.

It is an arithmetic number, because the mean of its divisors is an integer number (17487996).

Almost surely, 2^34975991 is an apocalyptic number.

34975991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34975991 is an equidigital number, since it uses as much as digits as its factorization.

34975991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 47.

The square root of 34975991 is about 5914.0503041486. The cubic root of 34975991 is about 327.0318186422.

The spelling of 34975991 in words is "thirty-four million, nine hundred seventy-five thousand, nine hundred ninety-one".