47005720 has 16 divisors (see below), whose sum is σ = 105762960. Its totient is φ = 18802272.

The previous prime is 47005709. The next prime is 47005733. The reversal of 47005720 is 2750074.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587532 + ... + 587611.

It is an arithmetic number, because the mean of its divisors is an integer number (6610185).

Almost surely, 2^47005720 is an apocalyptic number.

47005720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47005720 is an abundant number, since it is smaller than the sum of its proper divisors (58757240).

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

47005720 is a wasteful number, since it uses less digits than its factorization.

47005720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175154 (or 1175150 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 47005720 is about 6856.0717615848. The cubic root of 47005720 is about 360.8972474804.

Adding to 47005720 its reverse (2750074), we get a palindrome (49755794).

The spelling of 47005720 in words is "forty-seven million, five thousand, seven hundred twenty".