304472736 has 48 divisors (see below), whose sum is σ = 888048000. Its totient is φ = 101490624.

The previous prime is 304472713. The next prime is 304472797. The reversal of 304472736 is 637274403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 304472736.

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 7 ways as a sum of consecutive naturals, for example, 175336 + ... + 177063.

It is an arithmetic number, because the mean of its divisors is an integer number (18501000).

Almost surely, 2^304472736 is an apocalyptic number.

304472736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

304472736 is an abundant number, since it is smaller than the sum of its proper divisors (583575264).

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

304472736 is a wasteful number, since it uses less digits than its factorization.

304472736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352418 (or 352404 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 304472736 is about 17449.1471424824. The cubic root of 304472736 is about 672.7434374317.

The spelling of 304472736 in words is "three hundred four million, four hundred seventy-two thousand, seven hundred thirty-six".