275372740 has 24 divisors (see below), whose sum is σ = 582509592. Its totient is φ = 109344000.

The previous prime is 275372737. The next prime is 275372743. The reversal of 275372740 is 47273572.

It is an interprime number because it is at equal distance from previous prime (275372737) and next prime (275372743).

It can be written as a sum of positive squares in 4 ways, for example, as 8573184 + 266799556 = 2928^2 + 16334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 275372740.

It is not an unprimeable number, because it can be changed into a prime (275372743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47511 + ... + 52990.

It is an arithmetic number, because the mean of its divisors is an integer number (24271233).

Almost surely, 2^275372740 is an apocalyptic number.

275372740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275372740 is an abundant number, since it is smaller than the sum of its proper divisors (307136852).

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

275372740 is a wasteful number, since it uses less digits than its factorization.

275372740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100647 (or 100645 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 275372740 is about 16594.3586799852. The cubic root of 275372740 is about 650.5893983306.

The spelling of 275372740 in words is "two hundred seventy-five million, three hundred seventy-two thousand, seven hundred forty".