67973473 has 2 divisors, whose sum is σ = 67973474. Its totient is φ = 67973472.

The previous prime is 67973461. The next prime is 67973489. The reversal of 67973473 is 37437976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 20322064 = 6903^2 + 4508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67973473 is a prime.

It is not a weakly prime, because it can be changed into another prime (67973413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33986736 + 33986737.

It is an arithmetic number, because the mean of its divisors is an integer number (33986737).

Almost surely, 2^67973473 is an apocalyptic number.

It is an amenable number.

67973473 is a deficient number, since it is larger than the sum of its proper divisors (1).

67973473 is an equidigital number, since it uses as much as digits as its factorization.

67973473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 666792, while the sum is 46.

The square root of 67973473 is about 8244.6026587095. The cubic root of 67973473 is about 408.1124277666.

The spelling of 67973473 in words is "sixty-seven million, nine hundred seventy-three thousand, four hundred seventy-three".