297887072 has 72 divisors (see below), whose sum is σ = 705846960. Its totient is φ = 123244800.

The previous prime is 297887063. The next prime is 297887089. The reversal of 297887072 is 270788792.

It is a self number, because there is not a number n which added to its sum of digits gives 297887072.

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, 42197 + ... + 48747.

It is an arithmetic number, because the mean of its divisors is an integer number (9803430).

Almost surely, 2^297887072 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 297887072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352923480).

297887072 is an abundant number, since it is smaller than the sum of its proper divisors (407959888).

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

297887072 is a wasteful number, since it uses less digits than its factorization.

297887072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604 (or 6589 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 297887072 is about 17259.4053199987. The cubic root of 297887072 is about 667.8576196241.

The spelling of 297887072 in words is "two hundred ninety-seven million, eight hundred eighty-seven thousand, seventy-two".