275381073 has 32 divisors (see below), whose sum is σ = 455431680. Its totient is φ = 163008720.

The previous prime is 275381063. The next prime is 275381081. The reversal of 275381073 is 370183572.

275381073 is a `hidden beast` number, since 275 + 381 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 275381073 - 2¹⁴ = 275364689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275381053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1990 + ... + 23552.

It is an arithmetic number, because the mean of its divisors is an integer number (14232240).

Almost surely, 2^275381073 is an apocalyptic number.

It is an amenable number.

275381073 is a deficient number, since it is larger than the sum of its proper divisors (180050607).

275381073 is a wasteful number, since it uses less digits than its factorization.

275381073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626 (or 21620 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 275381073 is about 16594.6097573881. The cubic root of 275381073 is about 650.5959607167.

The spelling of 275381073 in words is "two hundred seventy-five million, three hundred eighty-one thousand, seventy-three".