731346273 has 128 divisors (see below), whose sum is σ = 1393459200. Its totient is φ = 369460224.

The previous prime is 731346211. The next prime is 731346289. The reversal of 731346273 is 372643137.

It is not a de Polignac number, because 731346273 - 2²⁵ = 697791841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (731346173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4379236 + ... + 4379402.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^731346273 is an apocalyptic number.

It is an amenable number.

731346273 is a deficient number, since it is larger than the sum of its proper divisors (662112927).

731346273 is a wasteful number, since it uses less digits than its factorization.

731346273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 270 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 731346273 is about 27043.4145957939. The cubic root of 731346273 is about 900.9645104303.

The spelling of 731346273 in words is "seven hundred thirty-one million, three hundred forty-six thousand, two hundred seventy-three".