67734973 has 2 divisors, whose sum is σ = 67734974. Its totient is φ = 67734972.

The previous prime is 67734971. The next prime is 67734983. The reversal of 67734973 is 37943776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35676729 + 32058244 = 5973^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 67734973 - 2¹ = 67734971 is a prime.

Together with 67734971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67734971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33867486 + 33867487.

It is an arithmetic number, because the mean of its divisors is an integer number (33867487).

Almost surely, 2^67734973 is an apocalyptic number.

It is an amenable number.

67734973 is a deficient number, since it is larger than the sum of its proper divisors (1).

67734973 is an equidigital number, since it uses as much as digits as its factorization.

67734973 is an odious number, because the sum of its binary digits is odd.

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

The square root of 67734973 is about 8230.1259407132. The cubic root of 67734973 is about 407.6345507733.

The spelling of 67734973 in words is "sixty-seven million, seven hundred thirty-four thousand, nine hundred seventy-three".