47574647 has 4 divisors (see below), whose sum is σ = 47866680. Its totient is φ = 47282616.

The previous prime is 47574643. The next prime is 47574671. The reversal of 47574647 is 74647574.

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

It is a cyclic number.

It is not a de Polignac number, because 47574647 - 2² = 47574643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47574598 and 47574607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47574643) 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, 145772 + ... + 146097.

It is an arithmetic number, because the mean of its divisors is an integer number (11966670).

Almost surely, 2^47574647 is an apocalyptic number.

47574647 is a deficient number, since it is larger than the sum of its proper divisors (292033).

47574647 is a wasteful number, since it uses less digits than its factorization.

47574647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292032.

The product of its digits is 658560, while the sum is 44.

The square root of 47574647 is about 6897.4377126582. The cubic root of 47574647 is about 362.3474351254.

Adding to 47574647 its reverse (74647574), we get a palindrome (122222221).

The spelling of 47574647 in words is "forty-seven million, five hundred seventy-four thousand, six hundred forty-seven".