34749143 has 12 divisors (see below), whose sum is σ = 41135304. Its totient is φ = 29158800.

The previous prime is 34749133. The next prime is 34749161. The reversal of 34749143 is 34194743.

34749143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34749143 - 2¹⁴ = 34732759 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 (34749103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9473 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (3427942).

Almost surely, 2^34749143 is an apocalyptic number.

34749143 is a deficient number, since it is larger than the sum of its proper divisors (6386161).

34749143 is a wasteful number, since it uses less digits than its factorization.

34749143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22126 (or 22115 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 34749143 is about 5894.8403710364. The cubic root of 34749143 is about 326.3232613424.

The spelling of 34749143 in words is "thirty-four million, seven hundred forty-nine thousand, one hundred forty-three".