1730448909 has 12 divisors (see below), whose sum is σ = 2856614176. Its totient is φ = 988827912.

The previous prime is 1730448859. The next prime is 1730448971. The reversal of 1730448909 is 9098440371.

It is not a de Polignac number, because 1730448909 - 2¹³ = 1730440717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730448809) 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, 13733659 + ... + 13733784.

Almost surely, 2^1730448909 is an apocalyptic number.

It is an amenable number.

1730448909 is a deficient number, since it is larger than the sum of its proper divisors (1126165267).

1730448909 is a wasteful number, since it uses less digits than its factorization.

1730448909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27467456 (or 27467453 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1730448909 is about 41598.6647502056. The cubic root of 1730448909 is about 1200.5666095026.

The spelling of 1730448909 in words is "one billion, seven hundred thirty million, four hundred forty-eight thousand, nine hundred nine".