273280769 has 4 divisors (see below), whose sum is σ = 273504000. Its totient is φ = 273057540.

The previous prime is 273280757. The next prime is 273280771. The reversal of 273280769 is 967082372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 273280769 - 2¹² = 273276673 is a prime.

It is a super-2 number, since 2×273280769² = 149364757410462722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273280789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109769 + ... + 112230.

It is an arithmetic number, because the mean of its divisors is an integer number (68376000).

Almost surely, 2^273280769 is an apocalyptic number.

It is an amenable number.

273280769 is a deficient number, since it is larger than the sum of its proper divisors (223231).

273280769 is a wasteful number, since it uses less digits than its factorization.

273280769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223230.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 273280769 is about 16531.2059148751. The cubic root of 273280769 is about 648.9377276329.

The spelling of 273280769 in words is "two hundred seventy-three million, two hundred eighty thousand, seven hundred sixty-nine".