47152647 has 6 divisors (see below), whose sum is σ = 68109392. Its totient is φ = 31435092.

The previous prime is 47152631. The next prime is 47152649. The reversal of 47152647 is 74625174.

47152647 is a `hidden beast` number, since 4 + 7 + 1 + 5 + 2 + 647 = 666.

It is not a de Polignac number, because 47152647 - 2⁴ = 47152631 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 (47152649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2619583 + ... + 2619600.

Almost surely, 2^47152647 is an apocalyptic number.

47152647 is a deficient number, since it is larger than the sum of its proper divisors (20956745).

47152647 is a wasteful number, since it uses less digits than its factorization.

47152647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239189 (or 5239186 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 47152647 is about 6866.7785023255. The cubic root of 47152647 is about 361.2728783458.

The spelling of 47152647 in words is "forty-seven million, one hundred fifty-two thousand, six hundred forty-seven".