272381945 has 8 divisors (see below), whose sum is σ = 356572800. Its totient is φ = 198095920.

The previous prime is 272381911. The next prime is 272381947. The reversal of 272381945 is 549183272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 272381945 - 2²⁸ = 3946489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272381947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2476145 + ... + 2476254.

It is an arithmetic number, because the mean of its divisors is an integer number (44571600).

Almost surely, 2^272381945 is an apocalyptic number.

It is an amenable number.

272381945 is a deficient number, since it is larger than the sum of its proper divisors (84190855).

272381945 is a wasteful number, since it uses less digits than its factorization.

272381945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4952415.

The product of its digits is 120960, while the sum is 41.

The square root of 272381945 is about 16503.9978490062. The cubic root of 272381945 is about 648.2254913371.

The spelling of 272381945 in words is "two hundred seventy-two million, three hundred eighty-one thousand, nine hundred forty-five".