342568728 has 24 divisors (see below), whose sum is σ = 927790500. Its totient is φ = 114189552.

The previous prime is 342568711. The next prime is 342568729. The reversal of 342568728 is 827865243.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342568729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2378878 + ... + 2379021.

Almost surely, 2^342568728 is an apocalyptic number.

It is an amenable number.

342568728 is an abundant number, since it is smaller than the sum of its proper divisors (585221772).

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

342568728 is a wasteful number, since it uses less digits than its factorization.

342568728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757911 (or 4757904 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 342568728 is about 18508.6122656454. The cubic root of 342568728 is about 699.7064946394.

The spelling of 342568728 in words is "three hundred forty-two million, five hundred sixty-eight thousand, seven hundred twenty-eight".