67939141 has 8 divisors (see below), whose sum is σ = 72182520. Its totient is φ = 63822528.

The previous prime is 67939133. The next prime is 67939147. The reversal of 67939141 is 14193976.

It can be written as a sum of positive squares in 4 ways, for example, as 8726116 + 59213025 = 2954^2 + 7695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67939141 - 2³ = 67939133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67939094 and 67939103.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30586 + ... + 32731.

It is an arithmetic number, because the mean of its divisors is an integer number (9022815).

Almost surely, 2^67939141 is an apocalyptic number.

It is an amenable number.

67939141 is a deficient number, since it is larger than the sum of its proper divisors (4243379).

67939141 is a wasteful number, since it uses less digits than its factorization.

67939141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63383.

The product of its digits is 40824, while the sum is 40.

The square root of 67939141 is about 8242.5203063141. The cubic root of 67939141 is about 408.0437064706.

The spelling of 67939141 in words is "sixty-seven million, nine hundred thirty-nine thousand, one hundred forty-one".