67428346 has 8 divisors (see below), whose sum is σ = 101435040. Its totient is φ = 33616668.

The previous prime is 67428281. The next prime is 67428367. The reversal of 67428346 is 64382476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 67428299 and 67428308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47886 + ... + 49273.

It is an arithmetic number, because the mean of its divisors is an integer number (12679380).

Almost surely, 2^67428346 is an apocalyptic number.

67428346 is a deficient number, since it is larger than the sum of its proper divisors (34006694).

67428346 is a wasteful number, since it uses less digits than its factorization.

67428346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97508.

The product of its digits is 193536, while the sum is 40.

The square root of 67428346 is about 8211.4764811208. The cubic root of 67428346 is about 407.0185182349.

The spelling of 67428346 in words is "sixty-seven million, four hundred twenty-eight thousand, three hundred forty-six".