273297771 has 12 divisors (see below), whose sum is σ = 398386560. Its totient is φ = 180526320.

The previous prime is 273297749. The next prime is 273297779. The reversal of 273297771 is 177792372.

It is not a de Polignac number, because 273297771 - 2¹⁰ = 273296747 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (273297779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138315 + ... + 140276.

It is an arithmetic number, because the mean of its divisors is an integer number (33198880).

Almost surely, 2^273297771 is an apocalyptic number.

273297771 is a deficient number, since it is larger than the sum of its proper divisors (125088789).

273297771 is a wasteful number, since it uses less digits than its factorization.

273297771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278706 (or 278703 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The square root of 273297771 is about 16531.7201464336. The cubic root of 273297771 is about 648.9511851116.

The spelling of 273297771 in words is "two hundred seventy-three million, two hundred ninety-seven thousand, seven hundred seventy-one".