47312712340 has 12 divisors (see below), whose sum is σ = 99356695956. Its totient is φ = 18925084928.

The previous prime is 47312712323. The next prime is 47312712353. The reversal of 47312712340 is 4321721374.

It can be written as a sum of positive squares in 2 ways, for example, as 10264931856 + 37047780484 = 101316^2 + 192478^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47312712296 and 47312712305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182817789 + ... + 1182817828.

It is an arithmetic number, because the mean of its divisors is an integer number (8279724663).

Almost surely, 2^47312712340 is an apocalyptic number.

It is an amenable number.

47312712340 is an abundant number, since it is smaller than the sum of its proper divisors (52043983616).

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

47312712340 is a wasteful number, since it uses less digits than its factorization.

47312712340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365635626 (or 2365635624 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 47312712340 in words is "forty-seven billion, three hundred twelve million, seven hundred twelve thousand, three hundred forty".