67601671 has 2 divisors, whose sum is σ = 67601672. Its totient is φ = 67601670.

The previous prime is 67601663. The next prime is 67601687. The reversal of 67601671 is 17610676.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67601671 - 2³ = 67601663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67601771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33800835 + 33800836.

It is an arithmetic number, because the mean of its divisors is an integer number (33800836).

Almost surely, 2^67601671 is an apocalyptic number.

67601671 is a deficient number, since it is larger than the sum of its proper divisors (1).

67601671 is an equidigital number, since it uses as much as digits as its factorization.

67601671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 67601671 is about 8222.0235343862. The cubic root of 67601671 is about 407.3669677535.

The spelling of 67601671 in words is "sixty-seven million, six hundred one thousand, six hundred seventy-one".