67431382 has 8 divisors (see below), whose sum is σ = 101197152. Its totient is φ = 33699000.

The previous prime is 67431379. The next prime is 67431383. The reversal of 67431382 is 28313476.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67431383) 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 3 ways as a sum of consecutive naturals, for example, 2469 + ... + 11872.

It is an arithmetic number, because the mean of its divisors is an integer number (12649644).

Almost surely, 2^67431382 is an apocalyptic number.

67431382 is a deficient number, since it is larger than the sum of its proper divisors (33765770).

67431382 is a wasteful number, since it uses less digits than its factorization.

67431382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16694.

The product of its digits is 24192, while the sum is 34.

The square root of 67431382 is about 8211.6613422620. The cubic root of 67431382 is about 407.0246268907.

The spelling of 67431382 in words is "sixty-seven million, four hundred thirty-one thousand, three hundred eighty-two".