47047047 has 8 divisors (see below), whose sum is σ = 64064256. Its totient is φ = 30697272.

The previous prime is 47047027. The next prime is 47047067. The reversal of 47047047 is 74074074.

It is an interprime number because it is at equal distance from previous prime (47047027) and next prime (47047067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47047047 - 2¹² = 47042951 is a prime.

47047047 is a modest number, since divided by 47047 gives 47 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 47046999 and 47047017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47047027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166693 + ... + 166974.

It is an arithmetic number, because the mean of its divisors is an integer number (8008032).

Almost surely, 2^47047047 is an apocalyptic number.

47047047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47047047 is a deficient number, since it is larger than the sum of its proper divisors (17017209).

47047047 is a wasteful number, since it uses less digits than its factorization.

47047047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333717.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 47047047 is about 6859.0849972864. The cubic root of 47047047 is about 361.0029823548.

Multiplying 47047047 by its sum of digits (33), we get a palindrome (1552552551).

Adding to 47047047 its reverse (74074074), we get a palindrome (121121121).

The spelling of 47047047 in words is "forty-seven million, forty-seven thousand, forty-seven".