342313728 has 72 divisors (see below), whose sum is σ = 959044800. Its totient is φ = 108094464.

The previous prime is 342313721. The next prime is 342313729. The reversal of 342313728 is 827313243.

It is not an unprimeable number, because it can be changed into a prime (342313721) by changing a digit.

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, 2863 + ... + 26321.

Almost surely, 2^342313728 is an apocalyptic number.

342313728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342313728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479522400).

342313728 is an abundant number, since it is smaller than the sum of its proper divisors (616731072).

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

342313728 is a wasteful number, since it uses less digits than its factorization.

342313728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23497 (or 23483 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 342313728 is about 18501.7222982078. The cubic root of 342313728 is about 699.5328365949.

The spelling of 342313728 in words is "three hundred forty-two million, three hundred thirteen thousand, seven hundred twenty-eight".