275425872 has 80 divisors (see below), whose sum is σ = 725578560. Its totient is φ = 90013696.

The previous prime is 275425853. The next prime is 275425883. The reversal of 275425872 is 278524572.

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 15 ways as a sum of consecutive naturals, for example, 1023754 + ... + 1024022.

It is an arithmetic number, because the mean of its divisors is an integer number (9069732).

Almost surely, 2^275425872 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 275425872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362789280).

275425872 is an abundant number, since it is smaller than the sum of its proper divisors (450152688).

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

275425872 is a wasteful number, since it uses less digits than its factorization.

275425872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 614 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 275425872 is about 16595.9595082659. The cubic root of 275425872 is about 650.6312384596.

The spelling of 275425872 in words is "two hundred seventy-five million, four hundred twenty-five thousand, eight hundred seventy-two".