67946121 has 20 divisors (see below), whose sum is σ = 102127872. Its totient is φ = 45017208.

The previous prime is 67946089. The next prime is 67946129. The reversal of 67946121 is 12164976.

It is not a de Polignac number, because 67946121 - 2⁵ = 67946089 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (67946129) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11016 + ... + 16038.

Almost surely, 2^67946121 is an apocalyptic number.

It is an amenable number.

67946121 is a deficient number, since it is larger than the sum of its proper divisors (34181751).

67946121 is a wasteful number, since it uses less digits than its factorization.

67946121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202 (or 5193 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 67946121 is about 8242.9437096222. The cubic root of 67946121 is about 408.0576799940.

The spelling of 67946121 in words is "sixty-seven million, nine hundred forty-six thousand, one hundred twenty-one".