47821633 has 4 divisors (see below), whose sum is σ = 48933808. Its totient is φ = 46709460.

The previous prime is 47821603. The next prime is 47821637. The reversal of 47821633 is 33612874.

It is a happy number.

47821633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47821633 - 2⁵ = 47821601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47821637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556023 + ... + 556108.

It is an arithmetic number, because the mean of its divisors is an integer number (12233452).

Almost surely, 2^47821633 is an apocalyptic number.

47821633 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47821633 is a deficient number, since it is larger than the sum of its proper divisors (1112175).

47821633 is a wasteful number, since it uses less digits than its factorization.

47821633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112174.

The product of its digits is 24192, while the sum is 34.

The square root of 47821633 is about 6915.3187200591. The cubic root of 47821633 is about 362.9734010011.

The spelling of 47821633 in words is "forty-seven million, eight hundred twenty-one thousand, six hundred thirty-three".