47616769 has 4 divisors (see below), whose sum is σ = 47688196. Its totient is φ = 47545344.

The previous prime is 47616763. The next prime is 47616773. The reversal of 47616769 is 96761674.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12960000 + 34656769 = 3600^2 + 5887^2 .

It is a cyclic number.

It is not a de Polignac number, because 47616769 - 2¹³ = 47608577 is a prime.

It is a super-2 number, since 2×47616769² = 4534713379998722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47616763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34704 + ... + 36049.

It is an arithmetic number, because the mean of its divisors is an integer number (11922049).

Almost surely, 2^47616769 is an apocalyptic number.

It is an amenable number.

47616769 is a deficient number, since it is larger than the sum of its proper divisors (71427).

47616769 is an equidigital number, since it uses as much as digits as its factorization.

47616769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71426.

The product of its digits is 381024, while the sum is 46.

The square root of 47616769 is about 6900.4904898130. The cubic root of 47616769 is about 362.4543428823.

The spelling of 47616769 in words is "forty-seven million, six hundred sixteen thousand, seven hundred sixty-nine".