47217963 has 8 divisors (see below), whose sum is σ = 67800208. Its totient is φ = 29057184.

The previous prime is 47217949. The next prime is 47217977. The reversal of 47217963 is 36971274.

It is an interprime number because it is at equal distance from previous prime (47217949) and next prime (47217977).

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

It is not a de Polignac number, because 47217963 - 2⁵ = 47217931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1210717 = 47217963 / (4 + 7 + 2 + 1 + 7 + 9 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47217263) 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, 605320 + ... + 605397.

It is an arithmetic number, because the mean of its divisors is an integer number (8475026).

Almost surely, 2^47217963 is an apocalyptic number.

47217963 is a deficient number, since it is larger than the sum of its proper divisors (20582245).

47217963 is a wasteful number, since it uses less digits than its factorization.

47217963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210733.

The product of its digits is 63504, while the sum is 39.

The square root of 47217963 is about 6871.5327984373. The cubic root of 47217963 is about 361.4396135042.

The spelling of 47217963 in words is "forty-seven million, two hundred seventeen thousand, nine hundred sixty-three".