34072143 has 8 divisors (see below), whose sum is σ = 51919488. Its totient is φ = 19469784.

The previous prime is 34072139. The next prime is 34072151. The reversal of 34072143 is 34127043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34072143 - 2² = 34072139 is a prime.

It is a super-2 number, since 2×34072143² = 2321821857224898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34074143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811221 + ... + 811262.

It is an arithmetic number, because the mean of its divisors is an integer number (6489936).

Almost surely, 2^34072143 is an apocalyptic number.

34072143 is a deficient number, since it is larger than the sum of its proper divisors (17847345).

34072143 is a wasteful number, since it uses less digits than its factorization.

34072143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622493.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 34072143 is about 5837.1348279785. The cubic root of 34072143 is about 324.1901509175.

Adding to 34072143 its reverse (34127043), we get a palindrome (68199186).

The spelling of 34072143 in words is "thirty-four million, seventy-two thousand, one hundred forty-three".