378640704 has 112 divisors (see below), whose sum is σ = 1116299520. Its totient is φ = 112465920.

The previous prime is 378640693. The next prime is 378640723. The reversal of 378640704 is 407046873.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 69769 + ... + 74999.

It is an arithmetic number, because the mean of its divisors is an integer number (9966960).

Almost surely, 2^378640704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 378640704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558149760).

378640704 is an abundant number, since it is smaller than the sum of its proper divisors (737658816).

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

378640704 is a wasteful number, since it uses less digits than its factorization.

378640704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288 (or 5278 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 378640704 is about 19458.6922479390. The cubic root of 378640704 is about 723.4509639488.

The spelling of 378640704 in words is "three hundred seventy-eight million, six hundred forty thousand, seven hundred four".