47085720 has 64 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 11414400.

The previous prime is 47085673. The next prime is 47085739. The reversal of 47085720 is 2758074.

47085720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16516 + ... + 19155.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^47085720 is an apocalyptic number.

47085720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47085720 is an abundant number, since it is smaller than the sum of its proper divisors (107017320).

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

47085720 is a wasteful number, since it uses less digits than its factorization.

47085720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35696 (or 35692 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 47085720 is about 6861.9035259904. The cubic root of 47085720 is about 361.1018709185.

The spelling of 47085720 in words is "forty-seven million, eighty-five thousand, seven hundred twenty".