378319725 has 36 divisors (see below), whose sum is σ = 774417696. Its totient is φ = 172945440.

The previous prime is 378319661. The next prime is 378319757. The reversal of 378319725 is 527913873.

It is a happy number.

It is not a de Polignac number, because 378319725 - 2⁶ = 378319661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 118527 + ... + 121676.

Almost surely, 2^378319725 is an apocalyptic number.

378319725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378319725 is an abundant number, since it is smaller than the sum of its proper divisors (396097971).

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

378319725 is a wasteful number, since it uses less digits than its factorization.

378319725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240226 (or 240218 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 378319725 is about 19450.4427970162. The cubic root of 378319725 is about 723.2464796695.

The spelling of 378319725 in words is "three hundred seventy-eight million, three hundred nineteen thousand, seven hundred twenty-five".