67423812 has 24 divisors (see below), whose sum is σ = 157987200. Its totient is φ = 22379616.

The previous prime is 67423793. The next prime is 67423831. The reversal of 67423812 is 21832476.

It is an interprime number because it is at equal distance from previous prime (67423793) and next prime (67423831).

It is a super-2 number, since 2×67423812² = 9091940849222688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8887 + ... + 14622.

It is an arithmetic number, because the mean of its divisors is an integer number (6582800).

Almost surely, 2^67423812 is an apocalyptic number.

It is an amenable number.

67423812 is an abundant number, since it is smaller than the sum of its proper divisors (90563388).

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

67423812 is a wasteful number, since it uses less digits than its factorization.

67423812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23755 (or 23753 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 67423812 is about 8211.2003994544. The cubic root of 67423812 is about 407.0093951512.

The spelling of 67423812 in words is "sixty-seven million, four hundred twenty-three thousand, eight hundred twelve".