195312272 has 10 divisors (see below), whose sum is σ = 378417558. Its totient is φ = 97656128.

The previous prime is 195312217. The next prime is 195312277. The reversal of 195312272 is 272213591.

It can be written as a sum of positive squares in only one way, i.e., 192543376 + 2768896 = 13876^2 + 1664^2 .

It is not an unprimeable number, because it can be changed into a prime (195312277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103493 + ... + 6103524.

Almost surely, 2^195312272 is an apocalyptic number.

It is an amenable number.

195312272 is a deficient number, since it is larger than the sum of its proper divisors (183105286).

195312272 is a wasteful number, since it uses less digits than its factorization.

195312272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207025 (or 12207019 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 195312272 is about 13975.4167021953. The cubic root of 195312272 is about 580.1983784346.

The spelling of 195312272 in words is "one hundred ninety-five million, three hundred twelve thousand, two hundred seventy-two".