67966481 has 8 divisors (see below), whose sum is σ = 74282400. Its totient is φ = 61673440.

The previous prime is 67966471. The next prime is 67966501. The reversal of 67966481 is 18466976.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 67966481 - 2⁶ = 67966417 is a prime.

It is a super-2 number, since 2×67966481² = 9238885079046722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67966421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830 + ... + 11688.

It is an arithmetic number, because the mean of its divisors is an integer number (9285300).

Almost surely, 2^67966481 is an apocalyptic number.

It is an amenable number.

67966481 is a deficient number, since it is larger than the sum of its proper divisors (6315919).

67966481 is a wasteful number, since it uses less digits than its factorization.

67966481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439.

The product of its digits is 435456, while the sum is 47.

The square root of 67966481 is about 8244.1786128152. The cubic root of 67966481 is about 408.0984339745.

The spelling of 67966481 in words is "sixty-seven million, nine hundred sixty-six thousand, four hundred eighty-one".