47172170370424 has 64 divisors (see below), whose sum is σ = 96533390580480. Its totient is φ = 21431929344000.

The previous prime is 47172170370407. The next prime is 47172170370527. The reversal of 47172170370424 is 42407307127174.

It is a happy number.

47172170370424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972811029 + ... + 1972834939.

It is an arithmetic number, because the mean of its divisors is an integer number (1508334227820).

Almost surely, 2^{47172170370424} is an apocalyptic number.

47172170370424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

47172170370424 is an abundant number, since it is smaller than the sum of its proper divisors (49361220210056).

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

47172170370424 is a wasteful number, since it uses less digits than its factorization.

47172170370424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33412 (or 33408 counting only the distinct ones).

The product of its (nonzero) digits is 1843968, while the sum is 49.

Adding to 47172170370424 its reverse (42407307127174), we get a palindrome (89579477497598).

The spelling of 47172170370424 in words is "forty-seven trillion, one hundred seventy-two billion, one hundred seventy million, three hundred seventy thousand, four hundred twenty-four".