67384442 has 4 divisors (see below), whose sum is σ = 101076666. Its totient is φ = 33692220.

The previous prime is 67384423. The next prime is 67384451. The reversal of 67384442 is 24448376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64625521 + 2758921 = 8039^2 + 1661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67384396 and 67384405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16846109 + ... + 16846112.

Almost surely, 2^67384442 is an apocalyptic number.

67384442 is a deficient number, since it is larger than the sum of its proper divisors (33692224).

67384442 is a wasteful number, since it uses less digits than its factorization.

67384442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33692223.

The product of its digits is 129024, while the sum is 38.

The square root of 67384442 is about 8208.8027141600. The cubic root of 67384442 is about 406.9301596442.

The spelling of 67384442 in words is "sixty-seven million, three hundred eighty-four thousand, four hundred forty-two".