342166728 has 32 divisors (see below), whose sum is σ = 871560000. Its totient is φ = 111903168.

The previous prime is 342166717. The next prime is 342166793. The reversal of 342166728 is 827661243.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133228 + ... + 135771.

It is an arithmetic number, because the mean of its divisors is an integer number (27236250).

Almost surely, 2^342166728 is an apocalyptic number.

It is an amenable number.

342166728 is an abundant number, since it is smaller than the sum of its proper divisors (529393272).

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

342166728 is a wasteful number, since it uses less digits than its factorization.

342166728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269061 (or 269057 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 342166728 is about 18497.7492684921. The cubic root of 342166728 is about 699.4326886490.

The spelling of 342166728 in words is "three hundred forty-two million, one hundred sixty-six thousand, seven hundred twenty-eight".