47666715 has 16 divisors (see below), whose sum is σ = 76366368. Its totient is φ = 25389056.

The previous prime is 47666713. The next prime is 47666719. The reversal of 47666715 is 51766674.

It is a cyclic number.

It is not a de Polignac number, because 47666715 - 2¹ = 47666713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47666713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13627 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (4772898).

Almost surely, 2^47666715 is an apocalyptic number.

47666715 is a deficient number, since it is larger than the sum of its proper divisors (28699653).

47666715 is a wasteful number, since it uses less digits than its factorization.

47666715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

The product of its digits is 211680, while the sum is 42.

The square root of 47666715 is about 6904.1085594014. The cubic root of 47666715 is about 362.5810266754.

The spelling of 47666715 in words is "forty-seven million, six hundred sixty-six thousand, seven hundred fifteen".