34691143 has 4 divisors (see below), whose sum is σ = 34855768. Its totient is φ = 34526520.

The previous prime is 34691081. The next prime is 34691147. The reversal of 34691143 is 34119643.

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 34691143 - 2¹³ = 34682951 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 (34691147) 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, 81996 + ... + 82417.

It is an arithmetic number, because the mean of its divisors is an integer number (8713942).

Almost surely, 2^34691143 is an apocalyptic number.

34691143 is a deficient number, since it is larger than the sum of its proper divisors (164625).

34691143 is a wasteful number, since it uses less digits than its factorization.

34691143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164624.

The product of its digits is 7776, while the sum is 31.

The square root of 34691143 is about 5889.9187600509. The cubic root of 34691143 is about 326.1416042084.

The spelling of 34691143 in words is "thirty-four million, six hundred ninety-one thousand, one hundred forty-three".