47000047 has 8 divisors (see below), whose sum is σ = 48480192. Its totient is φ = 45540000.

The previous prime is 47000011. The next prime is 47000059. The reversal of 47000047 is 74000074.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47000047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46999991 and 47000027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47000077) 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, 204 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (6060024).

Almost surely, 2^47000047 is an apocalyptic number.

47000047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47000047 is a deficient number, since it is larger than the sum of its proper divisors (1480145).

47000047 is a wasteful number, since it uses less digits than its factorization.

47000047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 47000047 is about 6855.6580282275. The cubic root of 47000047 is about 360.8827283080.

Adding to 47000047 its reverse (74000074), we get a palindrome (121000121).

It can be divided in two parts, 470000 and 47, that multiplied together give a square (22090000 = 4700²).

The spelling of 47000047 in words is "forty-seven million, forty-seven", and thus it is an aban number and an uban number.