1720968195 has 8 divisors (see below), whose sum is σ = 2753549136. Its totient is φ = 917849696.

The previous prime is 1720968143. The next prime is 1720968203. The reversal of 1720968195 is 5918690271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1720968195 - 2¹² = 1720964099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57365592 + ... + 57365621.

It is an arithmetic number, because the mean of its divisors is an integer number (344193642).

Almost surely, 2^1720968195 is an apocalyptic number.

1720968195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1720968195 is a deficient number, since it is larger than the sum of its proper divisors (1032580941).

1720968195 is a wasteful number, since it uses less digits than its factorization.

1720968195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114731221.

The product of its (nonzero) digits is 272160, while the sum is 48.

The square root of 1720968195 is about 41484.5536917055. The cubic root of 1720968195 is about 1198.3700544280.

The spelling of 1720968195 in words is "one billion, seven hundred twenty million, nine hundred sixty-eight thousand, one hundred ninety-five".