378723320 has 16 divisors (see below), whose sum is σ = 852127560. Its totient is φ = 151489312.

The previous prime is 378723307. The next prime is 378723377. The reversal of 378723320 is 23327873.

It is a super-2 number, since 2×378723320² = 286862706223644800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4734002 + ... + 4734081.

Almost surely, 2^378723320 is an apocalyptic number.

It is an amenable number.

378723320 is an abundant number, since it is smaller than the sum of its proper divisors (473404240).

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

378723320 is a wasteful number, since it uses less digits than its factorization.

378723320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468094 (or 9468090 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 378723320 is about 19460.8149880728. The cubic root of 378723320 is about 723.5035769561.

The spelling of 378723320 in words is "three hundred seventy-eight million, seven hundred twenty-three thousand, three hundred twenty".