275298972 has 144 divisors (see below), whose sum is σ = 747694080. Its totient is φ = 78624000.

The previous prime is 275298953. The next prime is 275298977. The reversal of 275298972 is 279892572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275298977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1823097 + ... + 1823247.

It is an arithmetic number, because the mean of its divisors is an integer number (5192320).

Almost surely, 2^275298972 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 275298972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373847040).

275298972 is an abundant number, since it is smaller than the sum of its proper divisors (472395108).

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

275298972 is a wasteful number, since it uses less digits than its factorization.

275298972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 229 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The square root of 275298972 is about 16592.1358480456. The cubic root of 275298972 is about 650.5312989403.

The spelling of 275298972 in words is "two hundred seventy-five million, two hundred ninety-eight thousand, nine hundred seventy-two".