47172624624 has 120 divisors (see below), whose sum is σ = 140020538112. Its totient is φ = 14774169600.

The previous prime is 47172624593. The next prime is 47172624647. The reversal of 47172624624 is 42642627174.

47172624624 is a `hidden beast` number, since 4 + 7 + 17 + 2 + 6 + 2 + 4 + 624 = 666.

It is a super-2 number, since 2×47172624624² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47172624624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1455217 + ... + 1487279.

Almost surely, 2^47172624624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47172624624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70010269056).

47172624624 is an abundant number, since it is smaller than the sum of its proper divisors (92847913488).

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

47172624624 is a wasteful number, since it uses less digits than its factorization.

47172624624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32695 (or 32686 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 47172624624 in words is "forty-seven billion, one hundred seventy-two million, six hundred twenty-four thousand, six hundred twenty-four".