47315715 has 16 divisors (see below), whose sum is σ = 78997248. Its totient is φ = 24137696.

The previous prime is 47315647. The next prime is 47315717. The reversal of 47315715 is 51751374.

It is a cyclic number.

It is not a de Polignac number, because 47315715 - 2¹⁰ = 47314691 is a prime.

It is a super-2 number, since 2×47315715² = 4477553771922450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47315717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68229 + ... + 68918.

It is an arithmetic number, because the mean of its divisors is an integer number (4937328).

Almost surely, 2^47315715 is an apocalyptic number.

47315715 is a deficient number, since it is larger than the sum of its proper divisors (31681533).

47315715 is a wasteful number, since it uses less digits than its factorization.

47315715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137178.

The product of its digits is 14700, while the sum is 33.

The square root of 47315715 is about 6878.6419444539. The cubic root of 47315715 is about 361.6888625149.

The spelling of 47315715 in words is "forty-seven million, three hundred fifteen thousand, seven hundred fifteen".