47315807 has 16 divisors (see below), whose sum is σ = 61558272. Its totient is φ = 35265120.

The previous prime is 47315789. The next prime is 47315819. The reversal of 47315807 is 70851374.

It is not a de Polignac number, because 47315807 - 2⁸ = 47315551 is a prime.

It is a super-2 number, since 2×47315807² = 4477571184122498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47315837) 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, 11588 + ... + 15129.

It is an arithmetic number, because the mean of its divisors is an integer number (3847392).

Almost surely, 2^47315807 is an apocalyptic number.

47315807 is a deficient number, since it is larger than the sum of its proper divisors (14242465).

47315807 is a wasteful number, since it uses less digits than its factorization.

47315807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26758.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 47315807 is about 6878.6486318172. The cubic root of 47315807 is about 361.6890969357.

The spelling of 47315807 in words is "forty-seven million, three hundred fifteen thousand, eight hundred seven".