47008240 has 20 divisors (see below), whose sum is σ = 109294344. Its totient is φ = 18803264.

The previous prime is 47008231. The next prime is 47008243. The reversal of 47008240 is 4280074.

47008240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47008243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293722 + ... + 293881.

Almost surely, 2^47008240 is an apocalyptic number.

47008240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47008240 is an abundant number, since it is smaller than the sum of its proper divisors (62286104).

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

47008240 is a wasteful number, since it uses less digits than its factorization.

47008240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587616 (or 587610 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 47008240 is about 6856.2555378282. The cubic root of 47008240 is about 360.9036966587.

The spelling of 47008240 in words is "forty-seven million, eight thousand, two hundred forty".