378272872 has 16 divisors (see below), whose sum is σ = 722644740. Its totient is φ = 185567616.

The previous prime is 378272863. The next prime is 378272879. The reversal of 378272872 is 278272873.

378272872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 373494276 + 4778596 = 19326^2 + 2186^2 .

It is a super-2 number, since 2×378272872² = 286180731382256768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378272879) 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, 445653 + ... + 446500.

Almost surely, 2^378272872 is an apocalyptic number.

It is an amenable number.

378272872 is a deficient number, since it is larger than the sum of its proper divisors (344371868).

378272872 is a wasteful number, since it uses less digits than its factorization.

378272872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892212 (or 892208 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 378272872 is about 19449.2383398425. The cubic root of 378272872 is about 723.2166216208.

Subtracting from 378272872 its reverse (278272873), we obtain a palindrome (99999999).

The spelling of 378272872 in words is "three hundred seventy-eight million, two hundred seventy-two thousand, eight hundred seventy-two".