47638653 has 8 divisors (see below), whose sum is σ = 64080768. Its totient is φ = 31477824.

The previous prime is 47638651. The next prime is 47638663. The reversal of 47638653 is 35683674.

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

It is not a de Polignac number, because 47638653 - 2¹ = 47638651 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47638651) 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, 69925 + ... + 70602.

It is an arithmetic number, because the mean of its divisors is an integer number (8010096).

Almost surely, 2^47638653 is an apocalyptic number.

It is an amenable number.

47638653 is a deficient number, since it is larger than the sum of its proper divisors (16442115).

47638653 is a wasteful number, since it uses less digits than its factorization.

47638653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140643.

The product of its digits is 362880, while the sum is 42.

The square root of 47638653 is about 6902.0759920476. The cubic root of 47638653 is about 362.5098606909.

The spelling of 47638653 in words is "forty-seven million, six hundred thirty-eight thousand, six hundred fifty-three".