304252730 has 32 divisors (see below), whose sum is σ = 559353600. Its totient is φ = 119129472.

The previous prime is 304252721. The next prime is 304252783. The reversal of 304252730 is 37252403.

It is a self number, because there is not a number n which added to its sum of digits gives 304252730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90011 + ... + 93329.

It is an arithmetic number, because the mean of its divisors is an integer number (17479800).

Almost surely, 2^304252730 is an apocalyptic number.

304252730 is a deficient number, since it is larger than the sum of its proper divisors (255100870).

304252730 is a wasteful number, since it uses less digits than its factorization.

304252730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 304252730 is about 17442.8417982850. The cubic root of 304252730 is about 672.5813613368.

The spelling of 304252730 in words is "three hundred four million, two hundred fifty-two thousand, seven hundred thirty".