47146685 has 8 divisors (see below), whose sum is σ = 57351480. Its totient is φ = 37200384.

The previous prime is 47146681. The next prime is 47146709. The reversal of 47146685 is 58664174.

It can be written as a sum of positive squares in 4 ways, for example, as 538756 + 46607929 = 734^2 + 6827^2 .

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 47146685 - 2² = 47146681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47146681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64220 + ... + 64949.

It is an arithmetic number, because the mean of its divisors is an integer number (7168935).

Almost surely, 2^47146685 is an apocalyptic number.

It is an amenable number.

47146685 is a deficient number, since it is larger than the sum of its proper divisors (10204795).

47146685 is a wasteful number, since it uses less digits than its factorization.

47146685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129247.

The product of its digits is 161280, while the sum is 41.

The square root of 47146685 is about 6866.3443694589. The cubic root of 47146685 is about 361.2576512071.

The spelling of 47146685 in words is "forty-seven million, one hundred forty-six thousand, six hundred eighty-five".