47243637 has 12 divisors (see below), whose sum is σ = 77989600. Its totient is φ = 26996328.

The previous prime is 47243611. The next prime is 47243657. The reversal of 47243637 is 73634274.

It is a happy number.

47243637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47243637 - 2⁸ = 47243381 is a prime.

It is a super-2 number, since 2×47243637² = 4463922473975538, 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 (47243657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374887 + ... + 375012.

Almost surely, 2^47243637 is an apocalyptic number.

It is an amenable number.

47243637 is a deficient number, since it is larger than the sum of its proper divisors (30745963).

47243637 is a wasteful number, since it uses less digits than its factorization.

47243637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749912 (or 749909 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 47243637 is about 6873.4006867052. The cubic root of 47243637 is about 361.5051106065.

The spelling of 47243637 in words is "forty-seven million, two hundred forty-three thousand, six hundred thirty-seven".