378959725 has 12 divisors (see below), whose sum is σ = 470252020. Its totient is φ = 302947200.

The previous prime is 378959701. The next prime is 378959783. The reversal of 378959725 is 527959873.

It can be written as a sum of positive squares in 6 ways, for example, as 2832489 + 376127236 = 1683^2 + 19394^2 .

It is a de Polignac number, because none of the positive numbers 2^k-378959725 is a prime.

It is a super-2 number, since 2×378959725² = 287220946344151250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35515 + ... + 44935.

Almost surely, 2^378959725 is an apocalyptic number.

It is an amenable number.

378959725 is a deficient number, since it is larger than the sum of its proper divisors (91292295).

378959725 is a wasteful number, since it uses less digits than its factorization.

378959725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040 (or 11035 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 55.

The square root of 378959725 is about 19466.8879125555. The cubic root of 378959725 is about 723.6540863807.

The spelling of 378959725 in words is "three hundred seventy-eight million, nine hundred fifty-nine thousand, seven hundred twenty-five".