47671693 has 4 divisors (see below), whose sum is σ = 48207420. Its totient is φ = 47135968.

The previous prime is 47671691. The next prime is 47671699. The reversal of 47671693 is 39617674.

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 2553604 + 45118089 = 1598^2 + 6717^2 .

It is a cyclic number.

It is not a de Polignac number, because 47671693 - 2¹ = 47671691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267730 + ... + 267907.

It is an arithmetic number, because the mean of its divisors is an integer number (12051855).

Almost surely, 2^47671693 is an apocalyptic number.

It is an amenable number.

47671693 is a deficient number, since it is larger than the sum of its proper divisors (535727).

47671693 is an equidigital number, since it uses as much as digits as its factorization.

47671693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535726.

The product of its digits is 190512, while the sum is 43.

The square root of 47671693 is about 6904.4690599640. The cubic root of 47671693 is about 362.5936480998.

The spelling of 47671693 in words is "forty-seven million, six hundred seventy-one thousand, six hundred ninety-three".