47682991 has 8 divisors (see below), whose sum is σ = 49301504. Its totient is φ = 46069560.

The previous prime is 47682967. The next prime is 47682997. The reversal of 47682991 is 19928674.

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 47682991 - 2¹⁵ = 47650223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47682997) 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, 32230 + ... + 33676.

It is an arithmetic number, because the mean of its divisors is an integer number (6162688).

Almost surely, 2^47682991 is an apocalyptic number.

47682991 is a deficient number, since it is larger than the sum of its proper divisors (1618513).

47682991 is a wasteful number, since it uses less digits than its factorization.

47682991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541.

The product of its digits is 217728, while the sum is 46.

The square root of 47682991 is about 6905.2871772288. The cubic root of 47682991 is about 362.6222902506.

The spelling of 47682991 in words is "forty-seven million, six hundred eighty-two thousand, nine hundred ninety-one".