67324992 has 56 divisors (see below), whose sum is σ = 203582016. Its totient is φ = 19235328.

The previous prime is 67324991. The next prime is 67325047. The reversal of 67324992 is 29942376.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (67324991) 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, 23703 + ... + 26390.

Almost surely, 2^67324992 is an apocalyptic number.

It is an amenable number.

67324992 is an abundant number, since it is smaller than the sum of its proper divisors (136257024).

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

67324992 is a wasteful number, since it uses less digits than its factorization.

67324992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50115 (or 50105 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 67324992 is about 8205.1808023955. The cubic root of 67324992 is about 406.8104529026.

The spelling of 67324992 in words is "sixty-seven million, three hundred twenty-four thousand, nine hundred ninety-two".