1697320673 has 16 divisors (see below), whose sum is σ = 1895961600. Its totient is φ = 1511983440.

The previous prime is 1697320663. The next prime is 1697320679. The reversal of 1697320673 is 3760237961.

It is a cyclic number.

It is not a de Polignac number, because 1697320673 - 2¹⁴ = 1697304289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1697320679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7133 + ... + 58698.

It is an arithmetic number, because the mean of its divisors is an integer number (118497600).

Almost surely, 2^1697320673 is an apocalyptic number.

It is an amenable number.

1697320673 is a deficient number, since it is larger than the sum of its proper divisors (198640927).

1697320673 is a wasteful number, since it uses less digits than its factorization.

1697320673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65932.

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 1697320673 is about 41198.5518313448. The cubic root of 1697320673 is about 1192.8558560122.

The spelling of 1697320673 in words is "one billion, six hundred ninety-seven million, three hundred twenty thousand, six hundred seventy-three".