342818728 has 32 divisors (see below), whose sum is σ = 735356160. Its totient is φ = 146773440.

The previous prime is 342818717. The next prime is 342818741. The reversal of 342818728 is 827818243.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 66450 + ... + 71422.

It is an arithmetic number, because the mean of its divisors is an integer number (22979880).

Almost surely, 2^342818728 is an apocalyptic number.

It is an amenable number.

342818728 is an abundant number, since it is smaller than the sum of its proper divisors (392537432).

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

342818728 is a wasteful number, since it uses less digits than its factorization.

342818728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6217 (or 6213 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 342818728 is about 18515.3646466928. The cubic root of 342818728 is about 699.8766639845.

The spelling of 342818728 in words is "three hundred forty-two million, eight hundred eighteen thousand, seven hundred twenty-eight".