297252080 has 80 divisors (see below), whose sum is σ = 714489984. Its totient is φ = 114923520.

The previous prime is 297252073. The next prime is 297252083. The reversal of 297252080 is 80252792.

It is a Cunningham number, because it is equal to 17241²-1.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 297252080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297252083) 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, 689465 + ... + 689895.

Almost surely, 2^297252080 is an apocalyptic number.

297252080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297252080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357244992).

297252080 is an abundant number, since it is smaller than the sum of its proper divisors (417237904).

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

297252080 is a wasteful number, since it uses less digits than its factorization.

297252080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 297252080 is about 17240.9999709994. Note that the first 4 decimals coincide. The cubic root of 297252080 is about 667.3827350382.

The spelling of 297252080 in words is "two hundred ninety-seven million, two hundred fifty-two thousand, eighty".