67481446 has 16 divisors (see below), whose sum is σ = 102313728. Its totient is φ = 33379200.

The previous prime is 67481443. The next prime is 67481467. The reversal of 67481446 is 64418476.

It is a junction number, because it is equal to n+sod(n) for n = 67481399 and 67481408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67481443) 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 7 ways as a sum of consecutive naturals, for example, 91696 + ... + 92428.

It is an arithmetic number, because the mean of its divisors is an integer number (6394608).

Almost surely, 2^67481446 is an apocalyptic number.

67481446 is a deficient number, since it is larger than the sum of its proper divisors (34832282).

67481446 is a wasteful number, since it uses less digits than its factorization.

67481446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its digits is 129024, while the sum is 40.

The square root of 67481446 is about 8214.7091244913. The cubic root of 67481446 is about 407.1253329191.

The spelling of 67481446 in words is "sixty-seven million, four hundred eighty-one thousand, four hundred forty-six".