195072650 has 12 divisors (see below), whose sum is σ = 362835222. Its totient is φ = 78029040.

The previous prime is 195072617. The next prime is 195072653. The reversal of 195072650 is 56270591.

It can be written as a sum of positive squares in 3 ways, for example, as 78021889 + 117050761 = 8833^2 + 10819^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 195072650.

It is not an unprimeable number, because it can be changed into a prime (195072653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950677 + ... + 1950776.

Almost surely, 2^195072650 is an apocalyptic number.

195072650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195072650 is a deficient number, since it is larger than the sum of its proper divisors (167762572).

195072650 is a wasteful number, since it uses less digits than its factorization.

195072650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901465 (or 3901460 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 195072650 is about 13966.8410888074. The cubic root of 195072650 is about 579.9610060982.

The spelling of 195072650 in words is "one hundred ninety-five million, seventy-two thousand, six hundred fifty".