342505772 has 24 divisors (see below), whose sum is σ = 688041984. Its totient is φ = 146138832.

The previous prime is 342505741. The next prime is 342505829. The reversal of 342505772 is 277505243.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 20588 + ... + 33299.

It is an arithmetic number, because the mean of its divisors is an integer number (28668416).

Almost surely, 2^342505772 is an apocalyptic number.

It is an amenable number.

342505772 is an abundant number, since it is smaller than the sum of its proper divisors (345536212).

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

342505772 is a wasteful number, since it uses less digits than its factorization.

342505772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54125 (or 54123 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 342505772 is about 18506.9114657200. The cubic root of 342505772 is about 699.6636288656.

The spelling of 342505772 in words is "three hundred forty-two million, five hundred five thousand, seven hundred seventy-two".