17427872470 has 16 divisors (see below), whose sum is σ = 31486793040. Its totient is φ = 6945232864.

The previous prime is 17427872453. The next prime is 17427872519. The reversal of 17427872470 is 7427872471.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236692 + ... + 3242071.

It is an arithmetic number, because the mean of its divisors is an integer number (1967924565).

Almost surely, 2^17427872470 is an apocalyptic number.

17427872470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17427872470 is a deficient number, since it is larger than the sum of its proper divisors (14058920570).

17427872470 is a wasteful number, since it uses less digits than its factorization.

17427872470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479039.

The product of its (nonzero) digits is 1229312, while the sum is 49.

Subtracting from 17427872470 its reverse (7427872471), we obtain a palindrome (9999999999).

The spelling of 17427872470 in words is "seventeen billion, four hundred twenty-seven million, eight hundred seventy-two thousand, four hundred seventy".