275832564 has 108 divisors (see below), whose sum is σ = 767650464. Its totient is φ = 76859328.

The previous prime is 275832553. The next prime is 275832569. The reversal of 275832564 is 465238572.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275832569) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1651609 + ... + 1651775.

Almost surely, 2^275832564 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 275832564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383825232).

275832564 is an abundant number, since it is smaller than the sum of its proper divisors (491817900).

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

275832564 is a wasteful number, since it uses less digits than its factorization.

275832564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 232 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 275832564 is about 16608.2077299147. The cubic root of 275832564 is about 650.9513202124.

It can be divided in two parts, 275832 and 564, that added together give a triangular number (276396 = T₇₄₃).

The spelling of 275832564 in words is "two hundred seventy-five million, eight hundred thirty-two thousand, five hundred sixty-four".