47635661 has 8 divisors (see below), whose sum is σ = 49658400. Its totient is φ = 45638320.

The previous prime is 47635631. The next prime is 47635667. The reversal of 47635661 is 16653674.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47635661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47635667) 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, 2471 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (6207300).

Almost surely, 2^47635661 is an apocalyptic number.

It is an amenable number.

47635661 is a deficient number, since it is larger than the sum of its proper divisors (2022739).

47635661 is a wasteful number, since it uses less digits than its factorization.

47635661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12699.

The product of its digits is 90720, while the sum is 38.

The square root of 47635661 is about 6901.8592422622. The cubic root of 47635661 is about 362.5022712501.

The spelling of 47635661 in words is "forty-seven million, six hundred thirty-five thousand, six hundred sixty-one".