34047247 has 12 divisors (see below), whose sum is σ = 38144520. Its totient is φ = 30340128.

The previous prime is 34047229. The next prime is 34047257. The reversal of 34047247 is 74274043.

It is not a de Polignac number, because 34047247 - 2¹¹ = 34045199 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 (34047227) 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 in 11 ways as a sum of consecutive naturals, for example, 1428 + ... + 8374.

It is an arithmetic number, because the mean of its divisors is an integer number (3178710).

Almost surely, 2^34047247 is an apocalyptic number.

34047247 is a deficient number, since it is larger than the sum of its proper divisors (4097273).

34047247 is a wasteful number, since it uses less digits than its factorization.

34047247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7002 (or 6989 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 34047247 is about 5835.0018851754. The cubic root of 34047247 is about 324.1111713966. Note that the first 4 decimals are identical.

The spelling of 34047247 in words is "thirty-four million, forty-seven thousand, two hundred forty-seven".