378122725 has 12 divisors (see below), whose sum is σ = 471863524. Its totient is φ = 300568320.

The previous prime is 378122711. The next prime is 378122729. The reversal of 378122725 is 527221873.

It can be written as a sum of positive squares in 6 ways, for example, as 35058241 + 343064484 = 5921^2 + 18522^2 .

It is not a de Polignac number, because 378122725 - 2⁷ = 378122597 is a prime.

It is a super-2 number, since 2×378122725² = 285953590322851250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378122729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44244 + ... + 52093.

Almost surely, 2^378122725 is an apocalyptic number.

It is an amenable number.

378122725 is a deficient number, since it is larger than the sum of its proper divisors (93740799).

378122725 is a wasteful number, since it uses less digits than its factorization.

378122725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96504 (or 96499 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 378122725 is about 19445.3779855265. The cubic root of 378122725 is about 723.1209207088.

The spelling of 378122725 in words is "three hundred seventy-eight million, one hundred twenty-two thousand, seven hundred twenty-five".