47640113 has 4 divisors (see below), whose sum is σ = 48015360. Its totient is φ = 47264868.

The previous prime is 47640101. The next prime is 47640119. The reversal of 47640113 is 31104674.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47640113 - 2⁸ = 47639857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47640119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187433 + ... + 187686.

It is an arithmetic number, because the mean of its divisors is an integer number (12003840).

Almost surely, 2^47640113 is an apocalyptic number.

It is an amenable number.

47640113 is a deficient number, since it is larger than the sum of its proper divisors (375247).

47640113 is a wasteful number, since it uses less digits than its factorization.

47640113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375246.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 47640113 is about 6902.1817565173. The cubic root of 47640113 is about 362.5135639792.

Adding to 47640113 its reverse (31104674), we get a palindrome (78744787).

The spelling of 47640113 in words is "forty-seven million, six hundred forty thousand, one hundred thirteen".