272378 has 4 divisors (see below), whose sum is σ = 408570. Its totient is φ = 136188.

The previous prime is 272369. The next prime is 272381. The reversal of 272378 is 873272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 218089 + 54289 = 467^2 + 233^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 272378.

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 as a sum of consecutive naturals, namely, 68093 + ... + 68096.

2²⁷²³⁷⁸ is an apocalyptic number.

272378 is a deficient number, since it is larger than the sum of its proper divisors (136192).

272378 is a wasteful number, since it uses less digits than its factorization.

272378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136191.

The product of its digits is 4704, while the sum is 29.

The square root of 272378 is about 521.8984575566. The cubic root of 272378 is about 64.8222361832.

The spelling of 272378 in words is "two hundred seventy-two thousand, three hundred seventy-eight".