272278 has 4 divisors (see below), whose sum is σ = 408420. Its totient is φ = 136138.

The previous prime is 272269. The next prime is 272287. The reversal of 272278 is 872272.

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

It is an interprime number because it is at equal distance from previous prime (272269) and next prime (272287).

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

272278 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68068 + ... + 68071.

It is an arithmetic number, because the mean of its divisors is an integer number (102105).

2²⁷²²⁷⁸ is an apocalyptic number.

272278 is a deficient number, since it is larger than the sum of its proper divisors (136142).

272278 is a wasteful number, since it uses less digits than its factorization.

272278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136141.

The product of its digits is 3136, while the sum is 28.

The square root of 272278 is about 521.8026446848. The cubic root of 272278 is about 64.8143023351.

The spelling of 272278 in words is "two hundred seventy-two thousand, two hundred seventy-eight".