47259647 has 4 divisors (see below), whose sum is σ = 48889320. Its totient is φ = 45629976.

The previous prime is 47259629. The next prime is 47259673. The reversal of 47259647 is 74695274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74695274 = 2 ⋅37347637.

It is a cyclic number.

It is not a de Polignac number, because 47259647 - 2⁸ = 47259391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47259598 and 47259607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47259607) 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, 814793 + ... + 814850.

It is an arithmetic number, because the mean of its divisors is an integer number (12222330).

Almost surely, 2^47259647 is an apocalyptic number.

47259647 is a deficient number, since it is larger than the sum of its proper divisors (1629673).

47259647 is a wasteful number, since it uses less digits than its factorization.

47259647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629672.

The product of its digits is 423360, while the sum is 44.

The square root of 47259647 is about 6874.5652226159. The cubic root of 47259647 is about 361.5459418064.

The spelling of 47259647 in words is "forty-seven million, two hundred fifty-nine thousand, six hundred forty-seven".