67384990 has 8 divisors (see below), whose sum is σ = 121293000. Its totient is φ = 26953992.

The previous prime is 67384987. The next prime is 67384997. The reversal of 67384990 is 9948376.

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

It is a self number, because there is not a number n which added to its sum of digits gives 67384990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67384997) 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 3 ways as a sum of consecutive naturals, for example, 3369240 + ... + 3369259.

It is an arithmetic number, because the mean of its divisors is an integer number (15161625).

Almost surely, 2^67384990 is an apocalyptic number.

67384990 is a deficient number, since it is larger than the sum of its proper divisors (53908010).

67384990 is a wasteful number, since it uses less digits than its factorization.

67384990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6738506.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 67384990 is about 8208.8360928940. The cubic root of 67384990 is about 406.9312627530.

The spelling of 67384990 in words is "sixty-seven million, three hundred eighty-four thousand, nine hundred ninety".