304069872 has 80 divisors (see below), whose sum is σ = 826152480. Its totient is φ = 96230400.

The previous prime is 304069861. The next prime is 304069873. The reversal of 304069872 is 278960403.

It is a self number, because there is not a number n which added to its sum of digits gives 304069872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304069873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83122 + ... + 86702.

It is an arithmetic number, because the mean of its divisors is an integer number (10326906).

Almost surely, 2^304069872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304069872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413076240).

304069872 is an abundant number, since it is smaller than the sum of its proper divisors (522082608).

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

304069872 is a wasteful number, since it uses less digits than its factorization.

304069872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 304069872 is about 17437.5993760609. The cubic root of 304069872 is about 672.4465923139.

The spelling of 304069872 in words is "three hundred four million, sixty-nine thousand, eight hundred seventy-two".