67312673 has 8 divisors (see below), whose sum is σ = 72930528. Its totient is φ = 61879104.

The previous prime is 67312607. The next prime is 67312691. The reversal of 67312673 is 37621376.

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 67312673 - 2¹⁰ = 67311649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67312603) 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, 45311 + ... + 46772.

It is an arithmetic number, because the mean of its divisors is an integer number (9116316).

Almost surely, 2^67312673 is an apocalyptic number.

It is an amenable number.

67312673 is a deficient number, since it is larger than the sum of its proper divisors (5617855).

67312673 is a wasteful number, since it uses less digits than its factorization.

67312673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92143.

The product of its digits is 31752, while the sum is 35.

The square root of 67312673 is about 8204.4300838023. The cubic root of 67312673 is about 406.7856389194.

The spelling of 67312673 in words is "sixty-seven million, three hundred twelve thousand, six hundred seventy-three".