275291742 has 16 divisors (see below), whose sum is σ = 600636672. Its totient is φ = 83421720.

The previous prime is 275291717. The next prime is 275291743. The reversal of 275291742 is 247192572.

It is a self number, because there is not a number n which added to its sum of digits gives 275291742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275291743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2085478 + ... + 2085609.

It is an arithmetic number, because the mean of its divisors is an integer number (37539792).

Almost surely, 2^275291742 is an apocalyptic number.

275291742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

275291742 is an abundant number, since it is smaller than the sum of its proper divisors (325344930).

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

275291742 is a wasteful number, since it uses less digits than its factorization.

275291742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171103.

The product of its digits is 70560, while the sum is 39.

The square root of 275291742 is about 16591.9179723141. The cubic root of 275291742 is about 650.5256040619.

The spelling of 275291742 in words is "two hundred seventy-five million, two hundred ninety-one thousand, seven hundred forty-two".