47672685 has 32 divisors (see below), whose sum is σ = 85263360. Its totient is φ = 25272000.

The previous prime is 47672683. The next prime is 47672689. The reversal of 47672685 is 58627674.

It is not a de Polignac number, because 47672685 - 2¹ = 47672683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47672685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47672683) 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 31 ways as a sum of consecutive naturals, for example, 23460 + ... + 25410.

It is an arithmetic number, because the mean of its divisors is an integer number (2664480).

Almost surely, 2^47672685 is an apocalyptic number.

47672685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47672685 is a deficient number, since it is larger than the sum of its proper divisors (37590675).

47672685 is a wasteful number, since it uses less digits than its factorization.

47672685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146 (or 2140 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 47672685 is about 6904.5408971198. The cubic root of 47672685 is about 362.5961631521.

Adding to 47672685 its sum of digits (45), we get a triangular number (47672730 = T₉₇₆₄).

The spelling of 47672685 in words is "forty-seven million, six hundred seventy-two thousand, six hundred eighty-five".