47942208 has 42 divisors (see below), whose sum is σ = 137419334. Its totient is φ = 15980544.

The previous prime is 47942203. The next prime is 47942221. The reversal of 47942208 is 80224974.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 166464 = 6912^2 + 408^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47942203) 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 in 5 ways as a sum of consecutive naturals, for example, 41041 + ... + 42192.

Almost surely, 2^47942208 is an apocalyptic number.

47942208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47942208 is an abundant number, since it is smaller than the sum of its proper divisors (89477126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47942208 is a wasteful number, since it uses less digits than its factorization.

47942208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83251 (or 83238 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 47942208 is about 6924.0311957703. The cubic root of 47942208 is about 363.2782057782.

The spelling of 47942208 in words is "forty-seven million, nine hundred forty-two thousand, two hundred eight".