67131414 has 24 divisors (see below), whose sum is σ = 166230480. Its totient is φ = 19180368.

The previous prime is 67131413. The next prime is 67131481. The reversal of 67131414 is 41413176.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67131413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266269 + ... + 266520.

It is an arithmetic number, because the mean of its divisors is an integer number (6926270).

Almost surely, 2^67131414 is an apocalyptic number.

67131414 is an abundant number, since it is smaller than the sum of its proper divisors (99099066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67131414 is a wasteful number, since it uses less digits than its factorization.

67131414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532804 (or 532801 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 67131414 is about 8193.3762271728. The cubic root of 67131414 is about 406.4201810392.

The spelling of 67131414 in words is "sixty-seven million, one hundred thirty-one thousand, four hundred fourteen".