47233447 has 4 divisors (see below), whose sum is σ = 47550600. Its totient is φ = 46916296.

The previous prime is 47233427. The next prime is 47233477. The reversal of 47233447 is 74433274.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74433274 = 2 ⋅37216637.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47233447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47233427) 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, 158353 + ... + 158650.

It is an arithmetic number, because the mean of its divisors is an integer number (11887650).

Almost surely, 2^47233447 is an apocalyptic number.

47233447 is a deficient number, since it is larger than the sum of its proper divisors (317153).

47233447 is a wasteful number, since it uses less digits than its factorization.

47233447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317152.

The product of its digits is 56448, while the sum is 34.

The square root of 47233447 is about 6872.6593833828. The cubic root of 47233447 is about 361.4791176743.

The spelling of 47233447 in words is "forty-seven million, two hundred thirty-three thousand, four hundred forty-seven".