47105685 has 32 divisors (see below), whose sum is σ = 91359360. Its totient is φ = 22838400.

The previous prime is 47105629. The next prime is 47105689. The reversal of 47105685 is 58650174.

It is not a de Polignac number, because 47105685 - 2⁷ = 47105557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47105689) 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, 14376 + ... + 17345.

It is an arithmetic number, because the mean of its divisors is an integer number (2854980).

Almost surely, 2^47105685 is an apocalyptic number.

47105685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47105685 is a deficient number, since it is larger than the sum of its proper divisors (44253675).

47105685 is a wasteful number, since it uses less digits than its factorization.

47105685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31746 (or 31740 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 47105685 is about 6863.3581430667. The cubic root of 47105685 is about 361.1529011115.

The spelling of 47105685 in words is "forty-seven million, one hundred five thousand, six hundred eighty-five".