47333813 has 4 divisors (see below), whose sum is σ = 47542560. Its totient is φ = 47125068.

The previous prime is 47333777. The next prime is 47333827. The reversal of 47333813 is 31833374.

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 47333813 - 2⁶ = 47333749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47333813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47333833) 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, 104033 + ... + 104486.

It is an arithmetic number, because the mean of its divisors is an integer number (11885640).

Almost surely, 2^47333813 is an apocalyptic number.

It is an amenable number.

47333813 is a deficient number, since it is larger than the sum of its proper divisors (208747).

47333813 is a wasteful number, since it uses less digits than its factorization.

47333813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208746.

The product of its digits is 18144, while the sum is 32.

The square root of 47333813 is about 6879.9573399840. The cubic root of 47333813 is about 361.7349713016.

The spelling of 47333813 in words is "forty-seven million, three hundred thirty-three thousand, eight hundred thirteen".