342755628 has 12 divisors (see below), whose sum is σ = 799763160. Its totient is φ = 114251872.

The previous prime is 342755599. The next prime is 342755629. The reversal of 342755628 is 826557243.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 342755628.

It is not an unprimeable number, because it can be changed into a prime (342755629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14281473 + ... + 14281496.

It is an arithmetic number, because the mean of its divisors is an integer number (66646930).

Almost surely, 2^342755628 is an apocalyptic number.

It is an amenable number.

342755628 is an abundant number, since it is smaller than the sum of its proper divisors (457007532).

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

342755628 is a wasteful number, since it uses less digits than its factorization.

342755628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28562976 (or 28562974 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 342755628 is about 18513.6605780705. The cubic root of 342755628 is about 699.8337210492.

It can be divided in two parts, 34275 and 5628, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 342755628 in words is "three hundred forty-two million, seven hundred fifty-five thousand, six hundred twenty-eight".