272423745 has 24 divisors (see below), whose sum is σ = 515129472. Its totient is φ = 132084000.

The previous prime is 272423741. The next prime is 272423747. The reversal of 272423745 is 547324272.

It is a happy number.

It is not a de Polignac number, because 272423745 - 2² = 272423741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272423741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274681 + ... + 275670.

It is an arithmetic number, because the mean of its divisors is an integer number (21463728).

Almost surely, 2^272423745 is an apocalyptic number.

It is an amenable number.

272423745 is a deficient number, since it is larger than the sum of its proper divisors (242705727).

272423745 is a wasteful number, since it uses less digits than its factorization.

272423745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550373 (or 550370 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 272423745 is about 16505.2641602611. The cubic root of 272423745 is about 648.2586487473.

The spelling of 272423745 in words is "two hundred seventy-two million, four hundred twenty-three thousand, seven hundred forty-five".