196751705 has 4 divisors (see below), whose sum is σ = 236102052. Its totient is φ = 157401360.

The previous prime is 196751701. The next prime is 196751713. The reversal of 196751705 is 507157691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 507157691 = 21319 ⋅23789.

It can be written as a sum of positive squares in 2 ways, for example, as 106729561 + 90022144 = 10331^2 + 9488^2 .

It is not a de Polignac number, because 196751705 - 2² = 196751701 is a prime.

It is a super-2 number, since 2×196751705² = 77422466840814050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196751701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19675166 + ... + 19675175.

It is an arithmetic number, because the mean of its divisors is an integer number (59025513).

Almost surely, 2^196751705 is an apocalyptic number.

It is an amenable number.

196751705 is a deficient number, since it is larger than the sum of its proper divisors (39350347).

196751705 is an equidigital number, since it uses as much as digits as its factorization.

196751705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39350346.

The product of its (nonzero) digits is 66150, while the sum is 41.

The square root of 196751705 is about 14026.8209156601. The cubic root of 196751705 is about 581.6202269236.

The spelling of 196751705 in words is "one hundred ninety-six million, seven hundred fifty-one thousand, seven hundred five".