67014381 has 8 divisors (see below), whose sum is σ = 102117184. Its totient is φ = 38293920.

The previous prime is 67014379. The next prime is 67014397. The reversal of 67014381 is 18341076.

It is a happy number.

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

It is not a de Polignac number, because 67014381 - 2¹ = 67014379 is a prime.

It is a super-2 number, since 2×67014381² = 8981854521626322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67014301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595560 + ... + 1595601.

It is an arithmetic number, because the mean of its divisors is an integer number (12764648).

Almost surely, 2^67014381 is an apocalyptic number.

It is an amenable number.

67014381 is a deficient number, since it is larger than the sum of its proper divisors (35102803).

67014381 is a wasteful number, since it uses less digits than its factorization.

67014381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191171.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 67014381 is about 8186.2311841286. The cubic root of 67014381 is about 406.1838672310.

It can be divided in two parts, 670 and 14381, that added together give a palindrome (15051).

The spelling of 67014381 in words is "sixty-seven million, fourteen thousand, three hundred eighty-one".