67246081 has 6 divisors (see below), whose sum is σ = 78225090. Its totient is φ = 57639456.

The previous prime is 67246063. The next prime is 67246093. The reversal of 67246081 is 18064276.

It can be written as a sum of positive squares in only one way, i.e., 55577025 + 11669056 = 7455^2 + 3416^2 .

It is not a de Polignac number, because 67246081 - 2⁹ = 67245569 is a prime.

It is a super-2 number, since 2×67246081² = 9044070819717122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67246001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686136 + ... + 686233.

It is an arithmetic number, because the mean of its divisors is an integer number (13037515).

Almost surely, 2^67246081 is an apocalyptic number.

It is an amenable number.

67246081 is a deficient number, since it is larger than the sum of its proper divisors (10979009).

67246081 is a wasteful number, since it uses less digits than its factorization.

67246081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372383 (or 1372376 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 67246081 is about 8200.3707842999. The cubic root of 67246081 is about 406.6514511761.

The spelling of 67246081 in words is "sixty-seven million, two hundred forty-six thousand, eighty-one".