67822081 has 8 divisors (see below), whose sum is σ = 69381504. Its totient is φ = 66267600.

The previous prime is 67822067. The next prime is 67822087. The reversal of 67822081 is 18022876.

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 67822081 - 2⁵ = 67822049 is a prime.

It is a super-2 number, since 2×67822081² = 9199669342341122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67822087) 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, 48711 + ... + 50083.

It is an arithmetic number, because the mean of its divisors is an integer number (8672688).

Almost surely, 2^67822081 is an apocalyptic number.

It is an amenable number.

67822081 is a deficient number, since it is larger than the sum of its proper divisors (1559423).

67822081 is a wasteful number, since it uses less digits than its factorization.

67822081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 67822081 is about 8235.4162614892. The cubic root of 67822081 is about 407.8092169189.

The spelling of 67822081 in words is "sixty-seven million, eight hundred twenty-two thousand, eighty-one".