47647347 has 8 divisors (see below), whose sum is σ = 69305280. Its totient is φ = 28877160.

The previous prime is 47647339. The next prime is 47647351. The reversal of 47647347 is 74374674.

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

It is not a de Polignac number, because 47647347 - 2³ = 47647339 is a prime.

It is a super-2 number, since 2×47647347² = 4540539352276818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47647299 and 47647308.

It is not an unprimeable number, because it can be changed into a prime (47647337) 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, 721897 + ... + 721962.

It is an arithmetic number, because the mean of its divisors is an integer number (8663160).

Almost surely, 2^47647347 is an apocalyptic number.

47647347 is a deficient number, since it is larger than the sum of its proper divisors (21657933).

47647347 is a wasteful number, since it uses less digits than its factorization.

47647347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443873.

The product of its digits is 395136, while the sum is 42.

The square root of 47647347 is about 6902.7057738252. The cubic root of 47647347 is about 362.5319118953.

The spelling of 47647347 in words is "forty-seven million, six hundred forty-seven thousand, three hundred forty-seven".