378667724 has 12 divisors (see below), whose sum is σ = 701649144. Its totient is φ = 178196544.

The previous prime is 378667711. The next prime is 378667733. The reversal of 378667724 is 427766873.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2784254 + ... + 2784389.

It is an arithmetic number, because the mean of its divisors is an integer number (58470762).

Almost surely, 2^378667724 is an apocalyptic number.

378667724 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

378667724 is a deficient number, since it is larger than the sum of its proper divisors (322981420).

378667724 is a wasteful number, since it uses less digits than its factorization.

378667724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568664 (or 5568662 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The square root of 378667724 is about 19459.3865268153. The cubic root of 378667724 is about 723.4681721534.

The spelling of 378667724 in words is "three hundred seventy-eight million, six hundred sixty-seven thousand, seven hundred twenty-four".