47015247 has 4 divisors (see below), whose sum is σ = 62687000. Its totient is φ = 31343496.

The previous prime is 47015237. The next prime is 47015257. The reversal of 47015247 is 74251074.

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

It is an interprime number because it is at equal distance from previous prime (47015237) and next prime (47015257).

It is not a de Polignac number, because 47015247 - 2⁸ = 47014991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47015237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7835872 + ... + 7835877.

It is an arithmetic number, because the mean of its divisors is an integer number (15671750).

Almost surely, 2^47015247 is an apocalyptic number.

47015247 is a deficient number, since it is larger than the sum of its proper divisors (15671753).

47015247 is a wasteful number, since it uses less digits than its factorization.

47015247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671752.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 47015247 is about 6856.7665119938. The cubic root of 47015247 is about 360.9216277460.

The spelling of 47015247 in words is "forty-seven million, fifteen thousand, two hundred forty-seven".