47818069 has 8 divisors (see below), whose sum is σ = 51874200. Its totient is φ = 43815936.

The previous prime is 47818063. The next prime is 47818073. The reversal of 47818069 is 96081874.

It can be written as a sum of positive squares in 4 ways, for example, as 731025 + 47087044 = 855^2 + 6862^2 .

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 47818069 - 2⁹ = 47817557 is a prime.

It is a super-2 number, since 2×47818069² = 4573135445777522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47818063) 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, 11644 + ... + 15205.

It is an arithmetic number, because the mean of its divisors is an integer number (6484275).

Almost surely, 2^47818069 is an apocalyptic number.

It is an amenable number.

47818069 is a deficient number, since it is larger than the sum of its proper divisors (4056131).

47818069 is a wasteful number, since it uses less digits than its factorization.

47818069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26999.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 47818069 is about 6915.0610264841. The cubic root of 47818069 is about 362.9643836781.

The spelling of 47818069 in words is "forty-seven million, eight hundred eighteen thousand, sixty-nine".