18734125 has 8 divisors (see below), whose sum is σ = 23380344. Its totient is φ = 14987200.

The previous prime is 18734123. The next prime is 18734129. The reversal of 18734125 is 52143781.

It can be written as a sum of positive squares in 4 ways, for example, as 45796 + 18688329 = 214^2 + 4323^2 .

It is not a de Polignac number, because 18734125 - 2¹ = 18734123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18734123) 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, 74812 + ... + 75061.

It is an arithmetic number, because the mean of its divisors is an integer number (2922543).

Almost surely, 2^18734125 is an apocalyptic number.

It is an amenable number.

18734125 is a deficient number, since it is larger than the sum of its proper divisors (4646219).

18734125 is an equidigital number, since it uses as much as digits as its factorization.

18734125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149888 (or 149878 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 18734125 is about 4328.2935436497. The cubic root of 18734125 is about 265.5896446600.

The spelling of 18734125 in words is "eighteen million, seven hundred thirty-four thousand, one hundred twenty-five".