272731378 has 16 divisors (see below), whose sum is σ = 427928256. Its totient is φ = 130117680.

The previous prime is 272731369. The next prime is 272731421. The reversal of 272731378 is 873137272.

It is a self number, because there is not a number n which added to its sum of digits gives 272731378.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12325 + ... + 26407.

It is an arithmetic number, because the mean of its divisors is an integer number (26745516).

Almost surely, 2^272731378 is an apocalyptic number.

272731378 is a deficient number, since it is larger than the sum of its proper divisors (155196878).

272731378 is a wasteful number, since it uses less digits than its factorization.

272731378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14529.

The product of its digits is 98784, while the sum is 40.

The square root of 272731378 is about 16514.5807697319. The cubic root of 272731378 is about 648.5025711131.

The spelling of 272731378 in words is "two hundred seventy-two million, seven hundred thirty-one thousand, three hundred seventy-eight".