195486730 has 8 divisors (see below), whose sum is σ = 351876132. Its totient is φ = 78194688.

The previous prime is 195486727. The next prime is 195486749. The reversal of 195486730 is 37684591.

It can be written as a sum of positive squares in 2 ways, for example, as 166229449 + 29257281 = 12893^2 + 5409^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9774327 + ... + 9774346.

Almost surely, 2^195486730 is an apocalyptic number.

195486730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195486730 is a deficient number, since it is larger than the sum of its proper divisors (156389402).

195486730 is a wasteful number, since it uses less digits than its factorization.

195486730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19548680.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 195486730 is about 13981.6569118256. The cubic root of 195486730 is about 580.3710764515.

The spelling of 195486730 in words is "one hundred ninety-five million, four hundred eighty-six thousand, seven hundred thirty".