378273 has 8 divisors (see below), whose sum is σ = 576448. Its totient is φ = 216144.

The previous prime is 378269. The next prime is 378277. The reversal of 378273 is 372873.

It is an interprime number because it is at equal distance from previous prime (378269) and next prime (378277).

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

It is not a de Polignac number, because 378273 - 2² = 378269 is a prime.

It is a Duffinian number.

378273 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 378273.

It is not an unprimeable number, because it can be changed into a prime (378277) 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, 8986 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (72056).

2³⁷⁸²⁷³ is an apocalyptic number.

It is an amenable number.

378273 is a deficient number, since it is larger than the sum of its proper divisors (198175).

378273 is a wasteful number, since it uses less digits than its factorization.

378273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023.

The product of its digits is 7056, while the sum is 30.

The square root of 378273 is about 615.0390231522. The cubic root of 378273 is about 72.3216703195.

The spelling of 378273 in words is "three hundred seventy-eight thousand, two hundred seventy-three".