67939146 has 24 divisors (see below), whose sum is σ = 160583904. Its totient is φ = 20587560.

The previous prime is 67939133. The next prime is 67939147. The reversal of 67939146 is 64193976.

It is not an unprimeable number, because it can be changed into a prime (67939147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171366 + ... + 171761.

It is an arithmetic number, because the mean of its divisors is an integer number (6690996).

Almost surely, 2^67939146 is an apocalyptic number.

67939146 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

67939146 is an abundant number, since it is smaller than the sum of its proper divisors (92644758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67939146 is a wasteful number, since it uses less digits than its factorization.

67939146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343146 (or 343143 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 67939146 is about 8242.5206096194. The cubic root of 67939146 is about 408.0437164806.

The spelling of 67939146 in words is "sixty-seven million, nine hundred thirty-nine thousand, one hundred forty-six".