34845947 has 2 divisors, whose sum is σ = 34845948. Its totient is φ = 34845946.

The previous prime is 34845929. The next prime is 34845983. The reversal of 34845947 is 74954843.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34845947 - 2⁸ = 34845691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34845898 and 34845907.

It is not a weakly prime, because it can be changed into another prime (34845997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17422973 + 17422974.

It is an arithmetic number, because the mean of its divisors is an integer number (17422974).

Almost surely, 2^34845947 is an apocalyptic number.

34845947 is a deficient number, since it is larger than the sum of its proper divisors (1).

34845947 is an equidigital number, since it uses as much as digits as its factorization.

34845947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 34845947 is about 5903.0455698732. The cubic root of 34845947 is about 326.6260036618.

The spelling of 34845947 in words is "thirty-four million, eight hundred forty-five thousand, nine hundred forty-seven".