47249568 has 60 divisors (see below), whose sum is σ = 138967290. Its totient is φ = 15748992.

The previous prime is 47249533. The next prime is 47249591. The reversal of 47249568 is 86594274.

It is a happy number.

47249568 is a `hidden beast` number, since 47 + 2 + 49 + 568 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24324624 + 22924944 = 4932^2 + 4788^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 6523 + ... + 11706.

Almost surely, 2^47249568 is an apocalyptic number.

47249568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47249568 is an abundant number, since it is smaller than the sum of its proper divisors (91717722).

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

47249568 is a wasteful number, since it uses less digits than its factorization.

47249568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18251 (or 18234 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 47249568 is about 6873.8321189857. The cubic root of 47249568 is about 361.5202378436.

The spelling of 47249568 in words is "forty-seven million, two hundred forty-nine thousand, five hundred sixty-eight".