47349947 has 8 divisors (see below), whose sum is σ = 50216400. Its totient is φ = 44492544.

The previous prime is 47349931. The next prime is 47349979. The reversal of 47349947 is 74994374.

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

It is a cyclic number.

It is not a de Polignac number, because 47349947 - 2⁴ = 47349931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47349047) 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, 10679 + ... + 14447.

It is an arithmetic number, because the mean of its divisors is an integer number (6277050).

Almost surely, 2^47349947 is an apocalyptic number.

47349947 is a deficient number, since it is larger than the sum of its proper divisors (2866453).

47349947 is a wasteful number, since it uses less digits than its factorization.

47349947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525.

The product of its digits is 762048, while the sum is 47.

The square root of 47349947 is about 6881.1297764248. The cubic root of 47349947 is about 361.7760664418.

The spelling of 47349947 in words is "forty-seven million, three hundred forty-nine thousand, nine hundred forty-seven".