272997445 has 32 divisors (see below), whose sum is σ = 391288320. Its totient is φ = 178886400.

The previous prime is 272997437. The next prime is 272997449. The reversal of 272997445 is 544799272.

It is not a de Polignac number, because 272997445 - 2³ = 272997437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272997449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101184 + ... + 103846.

It is an arithmetic number, because the mean of its divisors is an integer number (12227760).

Almost surely, 2^272997445 is an apocalyptic number.

It is an amenable number.

272997445 is a deficient number, since it is larger than the sum of its proper divisors (118290875).

272997445 is a wasteful number, since it uses less digits than its factorization.

272997445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805.

The product of its digits is 1270080, while the sum is 49.

The square root of 272997445 is about 16522.6343238601. The cubic root of 272997445 is about 648.7133878950.

The spelling of 272997445 in words is "two hundred seventy-two million, nine hundred ninety-seven thousand, four hundred forty-five".