47916065 has 4 divisors (see below), whose sum is σ = 57499284. Its totient is φ = 38332848.

The previous prime is 47916041. The next prime is 47916079. The reversal of 47916065 is 56061974.

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 8427409 + 39488656 = 2903^2 + 6284^2 .

It is a cyclic number.

It is not a de Polignac number, because 47916065 - 2²² = 43721761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4791602 + ... + 4791611.

It is an arithmetic number, because the mean of its divisors is an integer number (14374821).

Almost surely, 2^47916065 is an apocalyptic number.

It is an amenable number.

47916065 is a deficient number, since it is larger than the sum of its proper divisors (9583219).

47916065 is an equidigital number, since it uses as much as digits as its factorization.

47916065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9583218.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 47916065 is about 6922.1430930023. The cubic root of 47916065 is about 363.2121616156.

The spelling of 47916065 in words is "forty-seven million, nine hundred sixteen thousand, sixty-five".