67229406 has 16 divisors (see below), whose sum is σ = 149398800. Its totient is φ = 22409784.

The previous prime is 67229399. The next prime is 67229417. The reversal of 67229406 is 60492276.

It is a happy number.

It is a super-2 number, since 2×67229406² = 9039586062225672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 622441 + ... + 622548.

It is an arithmetic number, because the mean of its divisors is an integer number (9337425).

Almost surely, 2^67229406 is an apocalyptic number.

67229406 is an abundant number, since it is smaller than the sum of its proper divisors (82169394).

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

67229406 is a wasteful number, since it uses less digits than its factorization.

67229406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245000 (or 1244994 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 67229406 is about 8199.3539989441. The cubic root of 67229406 is about 406.6178359655.

The spelling of 67229406 in words is "sixty-seven million, two hundred twenty-nine thousand, four hundred six".