47645013 has 8 divisors (see below), whose sum is σ = 68413408. Its totient is φ = 29319984.

The previous prime is 47644969. The next prime is 47645021. The reversal of 47645013 is 31054674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47645013 - 2⁸ = 47644757 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 (47645413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610795 + ... + 610872.

It is an arithmetic number, because the mean of its divisors is an integer number (8551676).

Almost surely, 2^47645013 is an apocalyptic number.

It is an amenable number.

47645013 is a deficient number, since it is larger than the sum of its proper divisors (20768395).

47645013 is a wasteful number, since it uses less digits than its factorization.

47645013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221683.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 47645013 is about 6902.5367076170. The cubic root of 47645013 is about 362.5259922702.

Adding to 47645013 its reverse (31054674), we get a palindrome (78699687).

The spelling of 47645013 in words is "forty-seven million, six hundred forty-five thousand, thirteen".