378224532 has 72 divisors (see below), whose sum is σ = 1140693120. Its totient is φ = 108062640.

The previous prime is 378224527. The next prime is 378224533. The reversal of 378224532 is 235422873.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378224533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30444 + ... + 41027.

It is an arithmetic number, because the mean of its divisors is an integer number (15842960).

Almost surely, 2^378224532 is an apocalyptic number.

It is an amenable number.

378224532 is an abundant number, since it is smaller than the sum of its proper divisors (762468588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378224532 is a wasteful number, since it uses less digits than its factorization.

378224532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71498 (or 71483 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 378224532 is about 19447.9955779510. The cubic root of 378224532 is about 723.1858133662.

The spelling of 378224532 in words is "three hundred seventy-eight million, two hundred twenty-four thousand, five hundred thirty-two".