34147842 has 16 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 11334512.

The previous prime is 34147831. The next prime is 34147859. The reversal of 34147842 is 24874143.

It is a super-2 number, since 2×34147842² = 2332150226513928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10473 + ... + 13340.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^34147842 is an apocalyptic number.

34147842 is an abundant number, since it is smaller than the sum of its proper divisors (34436478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34147842 is a wasteful number, since it uses less digits than its factorization.

34147842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24057.

The product of its digits is 21504, while the sum is 33.

The square root of 34147842 is about 5843.6154904306. The cubic root of 34147842 is about 324.4300606708.

The spelling of 34147842 in words is "thirty-four million, one hundred forty-seven thousand, eight hundred forty-two".