67939950 has 48 divisors (see below), whose sum is σ = 181457136. Its totient is φ = 16723200.

The previous prime is 67939931. The next prime is 67939951. The reversal of 67939950 is 5993976.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 67939950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67939951) 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, 15471 + ... + 19370.

It is an arithmetic number, because the mean of its divisors is an integer number (3780357).

Almost surely, 2^67939950 is an apocalyptic number.

67939950 is an abundant number, since it is smaller than the sum of its proper divisors (113517186).

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

67939950 is a wasteful number, since it uses less digits than its factorization.

67939950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34869 (or 34864 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 67939950 is about 8242.5693809637. The cubic root of 67939950 is about 408.0453260870.

The spelling of 67939950 in words is "sixty-seven million, nine hundred thirty-nine thousand, nine hundred fifty".