47721215007732 has 48 divisors (see below), whose sum is σ = 127287364643712. Its totient is φ = 13631333792640.

The previous prime is 47721215007727. The next prime is 47721215007743. The reversal of 47721215007732 is 23770051212774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68381319 + ... + 69075662.

It is an arithmetic number, because the mean of its divisors is an integer number (2651820096744).

Almost surely, 2^{47721215007732} is an apocalyptic number.

47721215007732 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47721215007732 is an abundant number, since it is smaller than the sum of its proper divisors (79566149635980).

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

47721215007732 is a wasteful number, since it uses less digits than its factorization.

47721215007732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137461128 (or 137461126 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 47721215007732 in words is "forty-seven trillion, seven hundred twenty-one billion, two hundred fifteen million, seven thousand, seven hundred thirty-two".