47105247 has 8 divisors (see below), whose sum is σ = 71779456. Its totient is φ = 26917272.

The previous prime is 47105231. The next prime is 47105257. The reversal of 47105247 is 74250174.

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

It is not a de Polignac number, because 47105247 - 2⁴ = 47105231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47105257) 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, 1121533 + ... + 1121574.

It is an arithmetic number, because the mean of its divisors is an integer number (8972432).

Almost surely, 2^47105247 is an apocalyptic number.

47105247 is a deficient number, since it is larger than the sum of its proper divisors (24674209).

47105247 is a wasteful number, since it uses less digits than its factorization.

47105247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243117.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 47105247 is about 6863.3262344143. The cubic root of 47105247 is about 361.1517817458.

The spelling of 47105247 in words is "forty-seven million, one hundred five thousand, two hundred forty-seven".