47664535 has 4 divisors (see below), whose sum is σ = 57197448. Its totient is φ = 38131624.

The previous prime is 47664523. The next prime is 47664553. The reversal of 47664535 is 53546674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47664535 - 2⁵ = 47664503 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4766449 + ... + 4766458.

It is an arithmetic number, because the mean of its divisors is an integer number (14299362).

Almost surely, 2^47664535 is an apocalyptic number.

47664535 is a deficient number, since it is larger than the sum of its proper divisors (9532913).

47664535 is an equidigital number, since it uses as much as digits as its factorization.

47664535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532912.

The product of its digits is 302400, while the sum is 40.

The square root of 47664535 is about 6903.9506805886. The cubic root of 47664535 is about 362.5754991377.

The spelling of 47664535 in words is "forty-seven million, six hundred sixty-four thousand, five hundred thirty-five".