201630772 has 12 divisors (see below), whose sum is σ = 403261600. Its totient is φ = 86413176.

The previous prime is 201630769. The next prime is 201630773. The reversal of 201630772 is 277036102.

201630772 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 7201099 = 201630772 / (2 + 0 + 1 + 6 + 3 + 0 + 7 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 201630772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201630773) 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, 3600522 + ... + 3600577.

Almost surely, 2^201630772 is an apocalyptic number.

It is an amenable number.

201630772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201630772 is a wasteful number, since it uses less digits than its factorization.

201630772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201110 (or 7201108 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 201630772 is about 14199.6750667049. The cubic root of 201630772 is about 586.3887157563.

Adding to 201630772 its reverse (277036102), we get a palindrome (478666874).

The spelling of 201630772 in words is "two hundred one million, six hundred thirty thousand, seven hundred seventy-two".