305007042 has 8 divisors (see below), whose sum is σ = 610014096. Its totient is φ = 101669012.

The previous prime is 305007037. The next prime is 305007061. The reversal of 305007042 is 240700503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

305007042 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25417248 + ... + 25417259.

It is an arithmetic number, because the mean of its divisors is an integer number (76251762).

Almost surely, 2^305007042 is an apocalyptic number.

305007042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

305007042 is a wasteful number, since it uses less digits than its factorization.

305007042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50834512.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 305007042 is about 17464.4508072828. The cubic root of 305007042 is about 673.1367302248.

Adding to 305007042 its reverse (240700503), we get a palindrome (545707545).

The spelling of 305007042 in words is "three hundred five million, seven thousand, forty-two".