67654897 has 2 divisors, whose sum is σ = 67654898. Its totient is φ = 67654896.

The previous prime is 67654861. The next prime is 67654901. The reversal of 67654897 is 79845676.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67305616 + 349281 = 8204^2 + 591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67654897 is a prime.

It is not a weakly prime, because it can be changed into another prime (67654817) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33827448 + 33827449.

It is an arithmetic number, because the mean of its divisors is an integer number (33827449).

Almost surely, 2^67654897 is an apocalyptic number.

It is an amenable number.

67654897 is a deficient number, since it is larger than the sum of its proper divisors (1).

67654897 is an equidigital number, since it uses as much as digits as its factorization.

67654897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 52.

The square root of 67654897 is about 8225.2596919489. The cubic root of 67654897 is about 407.4738528144.

The spelling of 67654897 in words is "sixty-seven million, six hundred fifty-four thousand, eight hundred ninety-seven".