47669689 has 6 divisors (see below), whose sum is σ = 50311050. Its totient is φ = 45160416.

The previous prime is 47669659. The next prime is 47669701. The reversal of 47669689 is 98696674.

It can be written as a sum of positive squares in only one way, i.e., 42471289 + 5198400 = 6517^2 + 2280^2 .

It is not a de Polignac number, because 47669689 - 2¹⁹ = 47145401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47669659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65664 + ... + 66385.

It is an arithmetic number, because the mean of its divisors is an integer number (8385175).

Almost surely, 2^47669689 is an apocalyptic number.

It is an amenable number.

47669689 is a deficient number, since it is larger than the sum of its proper divisors (2641361).

47669689 is a wasteful number, since it uses less digits than its factorization.

47669689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132087 (or 132068 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The square root of 47669689 is about 6904.3239350424. The cubic root of 47669689 is about 362.5885671820.

The spelling of 47669689 in words is "forty-seven million, six hundred sixty-nine thousand, six hundred eighty-nine".