47569681 has 8 divisors (see below), whose sum is σ = 49970304. Its totient is φ = 45196800.

The previous prime is 47569667. The next prime is 47569693. The reversal of 47569681 is 18696574.

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 47569681 - 2⁵ = 47569649 is a prime.

It is a super-2 number, since 2×47569681² = 4525749100883522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47569651) 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, 3376 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (6246288).

Almost surely, 2^47569681 is an apocalyptic number.

It is an amenable number.

47569681 is a deficient number, since it is larger than the sum of its proper divisors (2400623).

47569681 is a wasteful number, since it uses less digits than its factorization.

47569681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871.

The product of its digits is 362880, while the sum is 46.

The square root of 47569681 is about 6897.0777145107. The cubic root of 47569681 is about 362.3348270096.

The spelling of 47569681 in words is "forty-seven million, five hundred sixty-nine thousand, six hundred eighty-one".