47546618072 has 128 divisors (see below), whose sum is σ = 97263936000. Its totient is φ = 21731770368.

The previous prime is 47546618017. The next prime is 47546618081. The reversal of 47546618072 is 27081664574.

It is a self number, because there is not a number n which added to its sum of digits gives 47546618072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136236554 + ... + 136236902.

It is an arithmetic number, because the mean of its divisors is an integer number (759874500).

Almost surely, 2^47546618072 is an apocalyptic number.

It is an amenable number.

47546618072 is an abundant number, since it is smaller than the sum of its proper divisors (49717317928).

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

47546618072 is a wasteful number, since it uses less digits than its factorization.

47546618072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 47546618072 in words is "forty-seven billion, five hundred forty-six million, six hundred eighteen thousand, seventy-two".