275382690 has 96 divisors (see below), whose sum is σ = 734287680. Its totient is φ = 66042240.

The previous prime is 275382689. The next prime is 275382697. The reversal of 275382690 is 96283572.

It is a super-2 number, since 2×275382690² = 151671251903272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275382697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388056 + ... + 388764.

It is an arithmetic number, because the mean of its divisors is an integer number (7648830).

Almost surely, 2^275382690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275382690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367143840).

275382690 is an abundant number, since it is smaller than the sum of its proper divisors (458904990).

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

275382690 is a wasteful number, since it uses less digits than its factorization.

275382690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 275382690 is about 16594.6584779561. The cubic root of 275382690 is about 650.5972341177.

The spelling of 275382690 in words is "two hundred seventy-five million, three hundred eighty-two thousand, six hundred ninety".