275730372 has 48 divisors (see below), whose sum is σ = 720350400. Its totient is φ = 91203840.

The previous prime is 275730359. The next prime is 275730373. The reversal of 275730372 is 273037572.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (275730373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4404 + ... + 23892.

It is an arithmetic number, because the mean of its divisors is an integer number (15007300).

Almost surely, 2^275730372 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 275730372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360175200).

275730372 is an abundant number, since it is smaller than the sum of its proper divisors (444620028).

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

275730372 is a wasteful number, since it uses less digits than its factorization.

275730372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19633 (or 19625 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 275730372 is about 16605.1308937930. The cubic root of 275730372 is about 650.8709209137.

The spelling of 275730372 in words is "two hundred seventy-five million, seven hundred thirty thousand, three hundred seventy-two".