47247808 has 14 divisors (see below), whose sum is σ = 93757496. Its totient is φ = 23623872.

The previous prime is 47247803. The next prime is 47247839. The reversal of 47247808 is 80874274.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47247803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369060 + ... + 369187.

It is an arithmetic number, because the mean of its divisors is an integer number (6696964).

Almost surely, 2^47247808 is an apocalyptic number.

It is an amenable number.

47247808 is a deficient number, since it is larger than the sum of its proper divisors (46509688).

47247808 is an equidigital number, since it uses as much as digits as its factorization.

47247808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738259 (or 738249 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 47247808 is about 6873.7040960460. The cubic root of 47247808 is about 361.5157490299.

The spelling of 47247808 in words is "forty-seven million, two hundred forty-seven thousand, eight hundred eight".