5170729806 has 96 divisors (see below), whose sum is σ = 12911633280. Its totient is φ = 1479038400.

The previous prime is 5170729777. The next prime is 5170729807. The reversal of 5170729806 is 6089270715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5170729807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1099921 + ... + 1104611.

It is an arithmetic number, because the mean of its divisors is an integer number (134496180).

Almost surely, 2^5170729806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5170729806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6455816640).

5170729806 is an abundant number, since it is smaller than the sum of its proper divisors (7740903474).

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

5170729806 is a wasteful number, since it uses less digits than its factorization.

5170729806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022 (or 5019 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 5170729806 is about 71907.7868245157. The cubic root of 5170729806 is about 1729.2214530644.

The spelling of 5170729806 in words is "five billion, one hundred seventy million, seven hundred twenty-nine thousand, eight hundred six".