67444012 has 6 divisors (see below), whose sum is σ = 118027028. Its totient is φ = 33722004.

The previous prime is 67443973. The next prime is 67444067. The reversal of 67444012 is 21044476.

It is a super-2 number, since 2×67444012² = 9097389509312288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8430498 + ... + 8430505.

Almost surely, 2^67444012 is an apocalyptic number.

It is an amenable number.

67444012 is a deficient number, since it is larger than the sum of its proper divisors (50583016).

67444012 is a wasteful number, since it uses less digits than its factorization.

67444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16861007 (or 16861005 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 67444012 is about 8212.4303345599. The cubic root of 67444012 is about 407.0500374141.

Adding to 67444012 its reverse (21044476), we get a palindrome (88488488).

The spelling of 67444012 in words is "sixty-seven million, four hundred forty-four thousand, twelve".