67381982 has 32 divisors (see below), whose sum is σ = 109983744. Its totient is φ = 30844800.

The previous prime is 67381981. The next prime is 67381991. The reversal of 67381982 is 28918376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67381981) 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 15 ways as a sum of consecutive naturals, for example, 248507 + ... + 248777.

It is an arithmetic number, because the mean of its divisors is an integer number (3436992).

Almost surely, 2^67381982 is an apocalyptic number.

67381982 is a deficient number, since it is larger than the sum of its proper divisors (42601762).

67381982 is a wasteful number, since it uses less digits than its factorization.

67381982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its digits is 145152, while the sum is 44.

The square root of 67381982 is about 8208.6528736450. The cubic root of 67381982 is about 406.9252076585.

The spelling of 67381982 in words is "sixty-seven million, three hundred eighty-one thousand, nine hundred eighty-two".