67431842 has 8 divisors (see below), whose sum is σ = 102149532. Its totient is φ = 33382000.

The previous prime is 67431841. The next prime is 67431941. The reversal of 67431842 is 24813476.

It can be written as a sum of positive squares in 2 ways, for example, as 66601921 + 829921 = 8161^2 + 911^2 .

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

It is not an unprimeable number, because it can be changed into a prime (67431841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166709 + ... + 167112.

Almost surely, 2^67431842 is an apocalyptic number.

67431842 is a deficient number, since it is larger than the sum of its proper divisors (34717690).

67431842 is a wasteful number, since it uses less digits than its factorization.

67431842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333924.

The product of its digits is 32256, while the sum is 35.

The square root of 67431842 is about 8211.6893511628. The cubic root of 67431842 is about 407.0255524286.

The spelling of 67431842 in words is "sixty-seven million, four hundred thirty-one thousand, eight hundred forty-two".