378737252 has 12 divisors (see below), whose sum is σ = 663359676. Its totient is φ = 189205920.

The previous prime is 378737221. The next prime is 378737273. The reversal of 378737252 is 252737873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224580196 + 154157056 = 14986^2 + 12416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35363 + ... + 44810.

It is an arithmetic number, because the mean of its divisors is an integer number (55279973).

Almost surely, 2^378737252 is an apocalyptic number.

It is an amenable number.

378737252 is a deficient number, since it is larger than the sum of its proper divisors (284622424).

378737252 is a wasteful number, since it uses less digits than its factorization.

378737252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81358 (or 81356 counting only the distinct ones).

The product of its digits is 493920, while the sum is 44.

The square root of 378737252 is about 19461.1729348465. The cubic root of 378737252 is about 723.5124486290.

The spelling of 378737252 in words is "three hundred seventy-eight million, seven hundred thirty-seven thousand, two hundred fifty-two".