47656413 has 24 divisors (see below), whose sum is σ = 78897728. Its totient is φ = 27153792.

The previous prime is 47656403. The next prime is 47656421. The reversal of 47656413 is 31465674.

It is a happy number.

47656413 is a `hidden beast` number, since 4 + 7 + 6 + 5 + 641 + 3 = 666.

It is not a de Polignac number, because 47656413 - 2⁴ = 47656397 is a prime.

It is a super-2 number, since 2×47656413² = 4542267400053138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47656403) 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 23 ways as a sum of consecutive naturals, for example, 26406 + ... + 28152.

Almost surely, 2^47656413 is an apocalyptic number.

It is an amenable number.

47656413 is a deficient number, since it is larger than the sum of its proper divisors (31241315).

47656413 is a wasteful number, since it uses less digits than its factorization.

47656413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193 (or 2190 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 47656413 is about 6903.3624415932. The cubic root of 47656413 is about 362.5549037727.

The spelling of 47656413 in words is "forty-seven million, six hundred fifty-six thousand, four hundred thirteen".