1842730625 has 10 divisors (see below), whose sum is σ = 2302676970. Its totient is φ = 1474184000.

The previous prime is 1842730601. The next prime is 1842730627. The reversal of 1842730625 is 5260372481.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 379821121 + 1462909504 = 19489^2 + 38248^2 .

It is not a de Polignac number, because 1842730625 - 2⁸ = 1842730369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1842730627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1473560 + ... + 1474809.

It is an arithmetic number, because the mean of its divisors is an integer number (230267697).

Almost surely, 2^1842730625 is an apocalyptic number.

It is an amenable number.

1842730625 is a deficient number, since it is larger than the sum of its proper divisors (459946345).

1842730625 is an frugal number, since it uses more digits than its factorization.

1842730625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948389 (or 2948374 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1842730625 is about 42927.0383907392. The cubic root of 1842730625 is about 1225.9910070421.

The spelling of 1842730625 in words is "one billion, eight hundred forty-two million, seven hundred thirty thousand, six hundred twenty-five".