275693648 has 40 divisors (see below), whose sum is σ = 571525920. Its totient is φ = 128442240.

The previous prime is 275693603. The next prime is 275693659. The reversal of 275693648 is 846396572.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 275693596 and 275693605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11111 + ... + 25977.

It is an arithmetic number, because the mean of its divisors is an integer number (14288148).

Almost surely, 2^275693648 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 275693648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285762960).

275693648 is an abundant number, since it is smaller than the sum of its proper divisors (295832272).

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

275693648 is a wasteful number, since it uses less digits than its factorization.

275693648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14955 (or 14949 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The square root of 275693648 is about 16604.0250541849. The cubic root of 275693648 is about 650.8420235470.

The spelling of 275693648 in words is "two hundred seventy-five million, six hundred ninety-three thousand, six hundred forty-eight".