378025728 has 72 divisors (see below), whose sum is σ = 1029587328. Its totient is φ = 123067392.

The previous prime is 378025727. The next prime is 378025751. The reversal of 378025728 is 827520873.

It is a self number, because there is not a number n which added to its sum of digits gives 378025728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378025721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27301 + ... + 38747.

It is an arithmetic number, because the mean of its divisors is an integer number (14299824).

Almost surely, 2^378025728 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 378025728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514793664).

378025728 is an abundant number, since it is smaller than the sum of its proper divisors (651561600).

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

378025728 is a wasteful number, since it uses less digits than its factorization.

378025728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11509 (or 11495 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 378025728 is about 19442.8837367300. The cubic root of 378025728 is about 723.0590831503.

The spelling of 378025728 in words is "three hundred seventy-eight million, twenty-five thousand, seven hundred twenty-eight".