17207129742 has 16 divisors (see below), whose sum is σ = 37542828672. Its totient is φ = 5214281720.

The previous prime is 17207129713. The next prime is 17207129747. The reversal of 17207129742 is 24792170271.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 17207129694 and 17207129703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17207129747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130356978 + ... + 130357109.

It is an arithmetic number, because the mean of its divisors is an integer number (2346426792).

Almost surely, 2^17207129742 is an apocalyptic number.

17207129742 is an abundant number, since it is smaller than the sum of its proper divisors (20335698930).

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

17207129742 is a wasteful number, since it uses less digits than its factorization.

17207129742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260714103.

The product of its (nonzero) digits is 98784, while the sum is 42.

The spelling of 17207129742 in words is "seventeen billion, two hundred seven million, one hundred twenty-nine thousand, seven hundred forty-two".