47072015 has 4 divisors (see below), whose sum is σ = 56486424. Its totient is φ = 37657608.

The previous prime is 47072009. The next prime is 47072087. The reversal of 47072015 is 51027074.

47072015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47072015 - 2⁶ = 47071951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707197 + ... + 4707206.

It is an arithmetic number, because the mean of its divisors is an integer number (14121606).

Almost surely, 2^47072015 is an apocalyptic number.

47072015 is a deficient number, since it is larger than the sum of its proper divisors (9414409).

47072015 is an equidigital number, since it uses as much as digits as its factorization.

47072015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414408.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 47072015 is about 6860.9048237095. The cubic root of 47072015 is about 361.0668328265.

Adding to 47072015 its reverse (51027074), we get a palindrome (98099089).

The spelling of 47072015 in words is "forty-seven million, seventy-two thousand, fifteen".