34997447 has 4 divisors (see below), whose sum is σ = 35072856. Its totient is φ = 34922040.

The previous prime is 34997429. The next prime is 34997507. The reversal of 34997447 is 74479943.

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

It is a cyclic number.

It is not a de Polignac number, because 34997447 - 2¹² = 34993351 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 (34997647) 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, 37004 + ... + 37937.

It is an arithmetic number, because the mean of its divisors is an integer number (8768214).

Almost surely, 2^34997447 is an apocalyptic number.

34997447 is a deficient number, since it is larger than the sum of its proper divisors (75409).

34997447 is an equidigital number, since it uses as much as digits as its factorization.

34997447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75408.

The product of its digits is 762048, while the sum is 47.

The square root of 34997447 is about 5915.8640112836. The cubic root of 34997447 is about 327.0986774614.

The spelling of 34997447 in words is "thirty-four million, nine hundred ninety-seven thousand, four hundred forty-seven".