1670792 has 12 divisors (see below), whose sum is σ = 3139605. Its totient is φ = 833568.

The previous prime is 1670783. The next prime is 1670813. The reversal of 1670792 is 2970761.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1406596 + 264196 = 1186^2 + 514^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=914.

It is a Duffinian 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 in 2 ways as a sum of consecutive naturals, for example, 3428 + ... + 3884.

2^1670792 is an apocalyptic number.

It is an amenable number.

1670792 is a deficient number, since it is larger than the sum of its proper divisors (1468813).

1670792 is an frugal number, since it uses more digits than its factorization.

1670792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 1670792 is about 1292.5911960090. The cubic root of 1670792 is about 118.6608520205.

Multiplying 1670792 by its sum of digits (32), we get a square (53465344 = 7312²).

The spelling of 1670792 in words is "one million, six hundred seventy thousand, seven hundred ninety-two".