275140073 has 8 divisors (see below), whose sum is σ = 301163016. Its totient is φ = 249811200.

The previous prime is 275140051. The next prime is 275140153. The reversal of 275140073 is 370041572.

It can be written as a sum of positive squares in 4 ways, for example, as 28430224 + 246709849 = 5332^2 + 15707^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275140073 - 2²⁴ = 258362857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275140043) 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, 172688 + ... + 174273.

It is an arithmetic number, because the mean of its divisors is an integer number (37645377).

Almost surely, 2^275140073 is an apocalyptic number.

It is an amenable number.

275140073 is a deficient number, since it is larger than the sum of its proper divisors (26022943).

275140073 is a wasteful number, since it uses less digits than its factorization.

275140073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347035.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 275140073 is about 16587.3467739720. The cubic root of 275140073 is about 650.4061154398.

It can be divided in two parts, 2751 and 40073, that added together give a palindrome (42824).

The spelling of 275140073 in words is "two hundred seventy-five million, one hundred forty thousand, seventy-three".