342757028 has 6 divisors (see below), whose sum is σ = 599824806. Its totient is φ = 171378512.

The previous prime is 342757027. The next prime is 342757031. The reversal of 342757028 is 820757243.

It can be written as a sum of positive squares in only one way, i.e., 192155044 + 150601984 = 13862^2 + 12272^2 .

It is a junction number, because it is equal to n+sod(n) for n = 342756982 and 342757000.

It is not an unprimeable number, because it can be changed into a prime (342757027) by changing a digit.

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 as a sum of consecutive naturals, namely, 42844625 + ... + 42844632.

It is an arithmetic number, because the mean of its divisors is an integer number (99970801).

Almost surely, 2^342757028 is an apocalyptic number.

It is an amenable number.

342757028 is a deficient number, since it is larger than the sum of its proper divisors (257067778).

342757028 is a wasteful number, since it uses less digits than its factorization.

342757028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85689261 (or 85689259 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 342757028 is about 18513.6983879505. The cubic root of 342757028 is about 699.8346738815.

The spelling of 342757028 in words is "three hundred forty-two million, seven hundred fifty-seven thousand, twenty-eight".