47717641 has 8 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 47226960.

The previous prime is 47717639. The next prime is 47717647. The reversal of 47717641 is 14671774.

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 47717641 - 2¹ = 47717639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47717641.

It is not an unprimeable number, because it can be changed into a prime (47717647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47656 + ... + 48646.

It is an arithmetic number, because the mean of its divisors is an integer number (6026400).

Almost surely, 2^47717641 is an apocalyptic number.

It is an amenable number.

47717641 is a deficient number, since it is larger than the sum of its proper divisors (493559).

47717641 is a wasteful number, since it uses less digits than its factorization.

47717641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439.

The product of its digits is 32928, while the sum is 37.

The square root of 47717641 is about 6907.7956686631. The cubic root of 47717641 is about 362.7101050723.

The spelling of 47717641 in words is "forty-seven million, seven hundred seventeen thousand, six hundred forty-one".