67475712 has 72 divisors (see below), whose sum is σ = 181539904. Its totient is φ = 22247424.

The previous prime is 67475711. The next prime is 67475719. The reversal of 67475712 is 21757476.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (67475711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78678 + ... + 79530.

Almost surely, 2^67475712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67475712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90769952).

67475712 is an abundant number, since it is smaller than the sum of its proper divisors (114064192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67475712 is a wasteful number, since it uses less digits than its factorization.

67475712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 961 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 67475712 is about 8214.3601089799. The cubic root of 67475712 is about 407.1138012418.

The spelling of 67475712 in words is "sixty-seven million, four hundred seventy-five thousand, seven hundred twelve".