47681233 has 4 divisors (see below), whose sum is σ = 48126960. Its totient is φ = 47235508.

The previous prime is 47681219. The next prime is 47681239. The reversal of 47681233 is 33218674.

It is a happy number.

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 47681233 - 2¹⁷ = 47550161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47681239) 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, 222703 + ... + 222916.

It is an arithmetic number, because the mean of its divisors is an integer number (12031740).

Almost surely, 2^47681233 is an apocalyptic number.

It is an amenable number.

47681233 is a deficient number, since it is larger than the sum of its proper divisors (445727).

47681233 is a wasteful number, since it uses less digits than its factorization.

47681233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445726.

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

The square root of 47681233 is about 6905.1598822909. The cubic root of 47681233 is about 362.6178337500.

The spelling of 47681233 in words is "forty-seven million, six hundred eighty-one thousand, two hundred thirty-three".