47478633 has 4 divisors (see below), whose sum is σ = 63304848. Its totient is φ = 31652420.

The previous prime is 47478611. The next prime is 47478649. The reversal of 47478633 is 33687474.

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 47478633 - 2⁸ = 47478377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47474633) 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, 7913103 + ... + 7913108.

It is an arithmetic number, because the mean of its divisors is an integer number (15826212).

Almost surely, 2^47478633 is an apocalyptic number.

It is an amenable number.

47478633 is a deficient number, since it is larger than the sum of its proper divisors (15826215).

47478633 is a wasteful number, since it uses less digits than its factorization.

47478633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826214.

The product of its digits is 338688, while the sum is 42.

The square root of 47478633 is about 6890.4740765785. The cubic root of 47478633 is about 362.1035106859.

The spelling of 47478633 in words is "forty-seven million, four hundred seventy-eight thousand, six hundred thirty-three".