67042992 has 40 divisors (see below), whose sum is σ = 174921840. Its totient is φ = 22124800.

The previous prime is 67042991. The next prime is 67043017. The reversal of 67042992 is 29924076.

It is a self number, because there is not a number n which added to its sum of digits gives 67042992.

It is not an unprimeable number, because it can be changed into a prime (67042991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 11762.

It is an arithmetic number, because the mean of its divisors is an integer number (4373046).

Almost surely, 2^67042992 is an apocalyptic number.

It is an amenable number.

67042992 is an abundant number, since it is smaller than the sum of its proper divisors (107878848).

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

67042992 is a wasteful number, since it uses less digits than its factorization.

67042992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941 (or 13935 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 67042992 is about 8187.9785051012. The cubic root of 67042992 is about 406.2416641445.

The spelling of 67042992 in words is "sixty-seven million, forty-two thousand, nine hundred ninety-two".