67081414 has 4 divisors (see below), whose sum is σ = 100622124. Its totient is φ = 33540706.

The previous prime is 67081393. The next prime is 67081423. The reversal of 67081414 is 41418076.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×67081414² = 8999832208478792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16770352 + ... + 16770355.

It is an arithmetic number, because the mean of its divisors is an integer number (25155531).

Almost surely, 2^67081414 is an apocalyptic number.

67081414 is a deficient number, since it is larger than the sum of its proper divisors (33540710).

67081414 is a wasteful number, since it uses less digits than its factorization.

67081414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33540709.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 67081414 is about 8190.3244135993. The cubic root of 67081414 is about 406.3192543393.

The spelling of 67081414 in words is "sixty-seven million, eighty-one thousand, four hundred fourteen".