378573220 has 24 divisors (see below), whose sum is σ = 795602808. Its totient is φ = 151315200.

The previous prime is 378573193. The next prime is 378573227. The reversal of 378573220 is 22375873.

It can be written as a sum of positive squares in 4 ways, for example, as 60093504 + 318479716 = 7752^2 + 17846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 378573220.

It is not an unprimeable number, because it can be changed into a prime (378573227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23230 + ... + 36010.

It is an arithmetic number, because the mean of its divisors is an integer number (33150117).

Almost surely, 2^378573220 is an apocalyptic number.

It is an amenable number.

378573220 is an abundant number, since it is smaller than the sum of its proper divisors (417029588).

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

378573220 is a wasteful number, since it uses less digits than its factorization.

378573220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271 (or 14269 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 378573220 is about 19456.9581384141. The cubic root of 378573220 is about 723.4079818948.

The spelling of 378573220 in words is "three hundred seventy-eight million, five hundred seventy-three thousand, two hundred twenty".