67673949 has 24 divisors (see below), whose sum is σ = 106698528. Its totient is φ = 38031840.

The previous prime is 67673929. The next prime is 67673971. The reversal of 67673949 is 94937676.

It is not a de Polignac number, because 67673949 - 2⁸ = 67673693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67673929) 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 in 23 ways as a sum of consecutive naturals, for example, 5194 + ... + 12740.

It is an arithmetic number, because the mean of its divisors is an integer number (4445772).

Almost surely, 2^67673949 is an apocalyptic number.

It is an amenable number.

67673949 is a deficient number, since it is larger than the sum of its proper divisors (39024579).

67673949 is a wasteful number, since it uses less digits than its factorization.

67673949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625 (or 7618 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 51.

The square root of 67673949 is about 8226.4177501510. The cubic root of 67673949 is about 407.5120982018.

The spelling of 67673949 in words is "sixty-seven million, six hundred seventy-three thousand, nine hundred forty-nine".