47635665 has 32 divisors (see below), whose sum is σ = 95026176. Its totient is φ = 19796160.

The previous prime is 47635631. The next prime is 47635667. The reversal of 47635665 is 56653674.

It is not a de Polignac number, because 47635665 - 2⁷ = 47635537 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 19467 + ... + 21776.

It is an arithmetic number, because the mean of its divisors is an integer number (2969568).

Almost surely, 2^47635665 is an apocalyptic number.

It is an amenable number.

47635665 is a deficient number, since it is larger than the sum of its proper divisors (47390511).

47635665 is a wasteful number, since it uses less digits than its factorization.

47635665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41269.

The product of its digits is 453600, while the sum is 42.

The square root of 47635665 is about 6901.8595320392. The cubic root of 47635665 is about 362.5022813967.

Subtracting 47635665 from its reverse (56653674), we obtain a square (9018009 = 3003²).

The spelling of 47635665 in words is "forty-seven million, six hundred thirty-five thousand, six hundred sixty-five".