67423081 has 8 divisors (see below), whose sum is σ = 73632384. Its totient is φ = 61227120.

The previous prime is 67423067. The next prime is 67423087. The reversal of 67423081 is 18032476.

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 67423081 - 2¹⁷ = 67292009 is a prime.

It is a super-2 number, since 2×67423081² = 9091743703065122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67423087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9355 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (9204048).

Almost surely, 2^67423081 is an apocalyptic number.

It is an amenable number.

67423081 is a deficient number, since it is larger than the sum of its proper divisors (6209303).

67423081 is a wasteful number, since it uses less digits than its factorization.

67423081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 67423081 is about 8211.1558869626. The cubic root of 67423081 is about 407.0079242320.

The spelling of 67423081 in words is "sixty-seven million, four hundred twenty-three thousand, eighty-one".