34542147 has 12 divisors (see below), whose sum is σ = 48925976. Its totient is φ = 21672960.

The previous prime is 34542143. The next prime is 34542149. The reversal of 34542147 is 74124543.

It is not a de Polignac number, because 34542147 - 2² = 34542143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34542143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19054 + ... + 20787.

Almost surely, 2^34542147 is an apocalyptic number.

34542147 is a deficient number, since it is larger than the sum of its proper divisors (14383829).

34542147 is a wasteful number, since it uses less digits than its factorization.

34542147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39878 (or 39861 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 34542147 is about 5877.2567580462. The cubic root of 34542147 is about 325.6740157915.

The spelling of 34542147 in words is "thirty-four million, five hundred forty-two thousand, one hundred forty-seven".