67308671 has 6 divisors (see below), whose sum is σ = 67955160. Its totient is φ = 66668276.

The previous prime is 67308641. The next prime is 67308677. The reversal of 67308671 is 17680376.

It is not a de Polignac number, because 67308671 - 2¹⁴ = 67292287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67308677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8510 + ... + 14388.

It is an arithmetic number, because the mean of its divisors is an integer number (11325860).

Almost surely, 2^67308671 is an apocalyptic number.

67308671 is a deficient number, since it is larger than the sum of its proper divisors (646489).

67308671 is an equidigital number, since it uses as much as digits as its factorization.

67308671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 5986 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 67308671 is about 8204.1861875508. The cubic root of 67308671 is about 406.7775770973. Note that the first 3 decimals are identical.

The spelling of 67308671 in words is "sixty-seven million, three hundred eight thousand, six hundred seventy-one".