34447957 has 2 divisors, whose sum is σ = 34447958. Its totient is φ = 34447956.

The previous prime is 34447949. The next prime is 34447961. The reversal of 34447957 is 75974443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24265476 + 10182481 = 4926^2 + 3191^2 .

It is an emirp because it is prime and its reverse (75974443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34447957 - 2³ = 34447949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34447657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17223978 + 17223979.

It is an arithmetic number, because the mean of its divisors is an integer number (17223979).

Almost surely, 2^34447957 is an apocalyptic number.

It is an amenable number.

34447957 is a deficient number, since it is larger than the sum of its proper divisors (1).

34447957 is an equidigital number, since it uses as much as digits as its factorization.

34447957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 34447957 is about 5869.2381958820. The cubic root of 34447957 is about 325.3777288647.

The spelling of 34447957 in words is "thirty-four million, four hundred forty-seven thousand, nine hundred fifty-seven".