275207868 has 120 divisors (see below), whose sum is σ = 780920448. Its totient is φ = 84011904.

The previous prime is 275207861. The next prime is 275207873. The reversal of 275207868 is 868702572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275207861) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 939130 + ... + 939422.

Almost surely, 2^275207868 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 275207868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390460224).

275207868 is an abundant number, since it is smaller than the sum of its proper divisors (505712580).

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

275207868 is a wasteful number, since it uses less digits than its factorization.

275207868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 275207868 is about 16589.3902238750. The cubic root of 275207868 is about 650.4595314581.

The spelling of 275207868 in words is "two hundred seventy-five million, two hundred seven thousand, eight hundred sixty-eight".