1697320670 has 32 divisors (see below), whose sum is σ = 3089778048. Its totient is φ = 671264928.

The previous prime is 1697320663. The next prime is 1697320679. The reversal of 1697320670 is 760237961.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686777 + ... + 689243.

It is an arithmetic number, because the mean of its divisors is an integer number (96555564).

Almost surely, 2^1697320670 is an apocalyptic number.

1697320670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1697320670 is a deficient number, since it is larger than the sum of its proper divisors (1392457378).

1697320670 is a wasteful number, since it uses less digits than its factorization.

1697320670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 1697320670 is about 41198.5517949357. The cubic root of 1697320670 is about 1192.8558553094.

The spelling of 1697320670 in words is "one billion, six hundred ninety-seven million, three hundred twenty thousand, six hundred seventy".