378572243 has 4 divisors (see below), whose sum is σ = 432654000. Its totient is φ = 324490488.

The previous prime is 378572231. The next prime is 378572273. The reversal of 378572243 is 342275873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342275873 = 1913 ⋅178921.

It is not a de Polignac number, because 378572243 - 2²⁰ = 377523667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378572243.

It is not an unprimeable number, because it can be changed into a prime (378572273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27040868 + ... + 27040881.

It is an arithmetic number, because the mean of its divisors is an integer number (108163500).

Almost surely, 2^378572243 is an apocalyptic number.

378572243 is a deficient number, since it is larger than the sum of its proper divisors (54081757).

378572243 is an equidigital number, since it uses as much as digits as its factorization.

378572243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081756.

The product of its digits is 282240, while the sum is 41.

The square root of 378572243 is about 19456.9330316985. The cubic root of 378572243 is about 723.4073595844.

The spelling of 378572243 in words is "three hundred seventy-eight million, five hundred seventy-two thousand, two hundred forty-three".