304664742 has 24 divisors (see below), whose sum is σ = 662949144. Its totient is φ = 101117664.

The previous prime is 304664719. The next prime is 304664779. The reversal of 304664742 is 247466403.

304664742 is a `hidden beast` number, since 3 + 0 + 4 + 6 + 647 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 304664697 and 304664706.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 32128 + ... + 40515.

It is an arithmetic number, because the mean of its divisors is an integer number (27622881).

Almost surely, 2^304664742 is an apocalyptic number.

304664742 is an abundant number, since it is smaller than the sum of its proper divisors (358284402).

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

304664742 is a wasteful number, since it uses less digits than its factorization.

304664742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72884 (or 72881 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 304664742 is about 17454.6481488456. The cubic root of 304664742 is about 672.8848224319.

The spelling of 304664742 in words is "three hundred four million, six hundred sixty-four thousand, seven hundred forty-two".