201707272 has 16 divisors (see below), whose sum is σ = 407293740. Its totient is φ = 93095616.

The previous prime is 201707257. The next prime is 201707273. The reversal of 201707272 is 272707102.

It can be written as a sum of positive squares in 2 ways, for example, as 143856036 + 57851236 = 11994^2 + 7606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201707272.

It is not an unprimeable number, because it can be changed into a prime (201707273) 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 3 ways as a sum of consecutive naturals, for example, 969643 + ... + 969850.

Almost surely, 2^201707272 is an apocalyptic number.

It is an amenable number.

201707272 is an abundant number, since it is smaller than the sum of its proper divisors (205586468).

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

201707272 is a wasteful number, since it uses less digits than its factorization.

201707272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939512 (or 1939508 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 201707272 is about 14202.3685348607. The cubic root of 201707272 is about 586.4628662514.

The spelling of 201707272 in words is "two hundred one million, seven hundred seven thousand, two hundred seventy-two".