47340728066 has 8 divisors (see below), whose sum is σ = 71201471484. Its totient is φ = 23606904240.

The previous prime is 47340728059. The next prime is 47340728089. The reversal of 47340728066 is 66082704374.

It can be written as a sum of positive squares in 2 ways, for example, as 44400811225 + 2939916841 = 210715^2 + 54221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47340728066² (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 47340728066.

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, 31728965 + ... + 31730456.

Almost surely, 2^47340728066 is an apocalyptic number.

47340728066 is a deficient number, since it is larger than the sum of its proper divisors (23860743418).

47340728066 is a wasteful number, since it uses less digits than its factorization.

47340728066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63459796.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 47340728066 in words is "forty-seven billion, three hundred forty million, seven hundred twenty-eight thousand, sixty-six".