272630745 has 16 divisors (see below), whose sum is σ = 484677120. Its totient is φ = 145402992.

The previous prime is 272630741. The next prime is 272630767. The reversal of 272630745 is 547036272.

It is a happy number.

It is not a de Polignac number, because 272630745 - 2² = 272630741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272630741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009609 + ... + 1009878.

It is an arithmetic number, because the mean of its divisors is an integer number (30292320).

Almost surely, 2^272630745 is an apocalyptic number.

It is an amenable number.

272630745 is a deficient number, since it is larger than the sum of its proper divisors (212046375).

272630745 is a wasteful number, since it uses less digits than its factorization.

272630745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019501 (or 2019495 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 272630745 is about 16511.5336961773. The cubic root of 272630745 is about 648.4227993512.

The spelling of 272630745 in words is "two hundred seventy-two million, six hundred thirty thousand, seven hundred forty-five".