67320673 has 8 divisors (see below), whose sum is σ = 77992448. Its totient is φ = 56912544.

The previous prime is 67320661. The next prime is 67320677. The reversal of 67320673 is 37602376.

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 67320673 - 2⁹ = 67320161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67320677) 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, 65361 + ... + 66382.

It is an arithmetic number, because the mean of its divisors is an integer number (9749056).

Almost surely, 2^67320673 is an apocalyptic number.

It is an amenable number.

67320673 is a deficient number, since it is larger than the sum of its proper divisors (10671775).

67320673 is a wasteful number, since it uses less digits than its factorization.

67320673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131823.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 67320673 is about 8204.9176107990. The cubic root of 67320673 is about 406.8017535481.

The spelling of 67320673 in words is "sixty-seven million, three hundred twenty thousand, six hundred seventy-three".