378730 has 24 divisors (see below), whose sum is σ = 751716. Its totient is φ = 137280.

The previous prime is 378713. The next prime is 378733. The reversal of 378730 is 37873.

It can be written as a sum of positive squares in 2 ways, for example, as 314721 + 64009 = 561^2 + 253^2 .

It is not an unprimeable number, because it can be changed into a prime (378733) 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 11 ways as a sum of consecutive naturals, for example, 1054 + ... + 1366.

2³⁷⁸⁷³⁰ is an apocalyptic number.

378730 is a deficient number, since it is larger than the sum of its proper divisors (372986).

378730 is a wasteful number, since it uses less digits than its factorization.

378730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 378730 is about 615.4104321508. The cubic root of 378730 is about 72.3507830700.

The spelling of 378730 in words is "three hundred seventy-eight thousand, seven hundred thirty".