1730972 has 6 divisors (see below), whose sum is σ = 3029208. Its totient is φ = 865484.

The previous prime is 1730959. The next prime is 1730983. The reversal of 1730972 is 2790371.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216368 + ... + 216375.

It is an arithmetic number, because the mean of its divisors is an integer number (504868).

2^1730972 is an apocalyptic number.

It is an amenable number.

1730972 is a deficient number, since it is larger than the sum of its proper divisors (1298236).

1730972 is a wasteful number, since it uses less digits than its factorization.

1730972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432747 (or 432745 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1730972 is about 1315.6640908682. The cubic root of 1730972 is about 120.0687568929.

The spelling of 1730972 in words is "one million, seven hundred thirty thousand, nine hundred seventy-two".