201712707 has 16 divisors (see below), whose sum is σ = 341524480. Its totient is φ = 115264296.

The previous prime is 201712697. The next prime is 201712723. The reversal of 201712707 is 707217102.

It is not a de Polignac number, because 201712707 - 2¹⁸ = 201450563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201712727) 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 15 ways as a sum of consecutive naturals, for example, 533443 + ... + 533820.

It is an arithmetic number, because the mean of its divisors is an integer number (21345280).

Almost surely, 2^201712707 is an apocalyptic number.

201712707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

201712707 is a deficient number, since it is larger than the sum of its proper divisors (139811773).

201712707 is a wasteful number, since it uses less digits than its factorization.

201712707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067279 (or 1067273 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 201712707 is about 14202.5598748958. The cubic root of 201712707 is about 586.4681336157.

Adding to 201712707 its reverse (707217102), we get a palindrome (908929809).

The spelling of 201712707 in words is "two hundred one million, seven hundred twelve thousand, seven hundred seven".