378673312 has 12 divisors (see below), whose sum is σ = 745513146. Its totient is φ = 189336640.

The previous prime is 378673297. The next prime is 378673333. The reversal of 378673312 is 213376873.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 341658256 + 37015056 = 18484^2 + 6084^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5916739 + ... + 5916802.

Almost surely, 2^378673312 is an apocalyptic number.

378673312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

378673312 is a deficient number, since it is larger than the sum of its proper divisors (366839834).

378673312 is a wasteful number, since it uses less digits than its factorization.

378673312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833551 (or 11833543 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 378673312 is about 19459.5301073793. The cubic root of 378673312 is about 723.4717308761.

The spelling of 378673312 in words is "three hundred seventy-eight million, six hundred seventy-three thousand, three hundred twelve".