47072115 has 12 divisors (see below), whose sum is σ = 81591744. Its totient is φ = 25105104.

The previous prime is 47072111. The next prime is 47072119. The reversal of 47072115 is 51127074.

It is an interprime number because it is at equal distance from previous prime (47072111) and next prime (47072119).

It is not a de Polignac number, because 47072115 - 2² = 47072111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47072111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 522979 + ... + 523068.

It is an arithmetic number, because the mean of its divisors is an integer number (6799312).

Almost surely, 2^47072115 is an apocalyptic number.

47072115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47072115 is a deficient number, since it is larger than the sum of its proper divisors (34519629).

47072115 is a wasteful number, since it uses less digits than its factorization.

47072115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046058 (or 1046055 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 47072115 is about 6860.9121113741. The cubic root of 47072115 is about 361.0670885103.

Adding to 47072115 its reverse (51127074), we get a palindrome (98199189).

The spelling of 47072115 in words is "forty-seven million, seventy-two thousand, one hundred fifteen".