67434871 has 4 divisors (see below), whose sum is σ = 77068432. Its totient is φ = 57801312.

The previous prime is 67434853. The next prime is 67434901. The reversal of 67434871 is 17843476.

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 67434871 - 2⁵ = 67434839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67434071) 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, 4816770 + ... + 4816783.

It is an arithmetic number, because the mean of its divisors is an integer number (19267108).

Almost surely, 2^67434871 is an apocalyptic number.

67434871 is a deficient number, since it is larger than the sum of its proper divisors (9633561).

67434871 is an equidigital number, since it uses as much as digits as its factorization.

67434871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9633560.

The product of its digits is 112896, while the sum is 40.

The square root of 67434871 is about 8211.8737812999. The cubic root of 67434871 is about 407.0316467895.

The spelling of 67434871 in words is "sixty-seven million, four hundred thirty-four thousand, eight hundred seventy-one".