47006081 has 4 divisors (see below), whose sum is σ = 47029332. Its totient is φ = 46982832.

The previous prime is 47006059. The next prime is 47006083. The reversal of 47006081 is 18060074.

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 13075456 + 33930625 = 3616^2 + 5825^2 .

It is a cyclic number.

It is not a de Polignac number, because 47006081 - 2²² = 42811777 is a prime.

It is a super-2 number, since 2×47006081² = 4419143301957122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47006081.

It is not an unprimeable number, because it can be changed into a prime (47006083) 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, 8270 + ... + 12743.

It is an arithmetic number, because the mean of its divisors is an integer number (11757333).

Almost surely, 2^47006081 is an apocalyptic number.

It is an amenable number.

47006081 is a deficient number, since it is larger than the sum of its proper divisors (23251).

47006081 is a wasteful number, since it uses less digits than its factorization.

47006081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23250.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 47006081 is about 6856.0980885632. The cubic root of 47006081 is about 360.8981713649.

The spelling of 47006081 in words is "forty-seven million, six thousand, eighty-one".