47061620 has 24 divisors (see below), whose sum is σ = 98993664. Its totient is φ = 18793376.

The previous prime is 47061601. The next prime is 47061649. The reversal of 47061620 is 2616074.

47061620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47061620.

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 7 ways as a sum of consecutive naturals, for example, 13277 + ... + 16443.

It is an arithmetic number, because the mean of its divisors is an integer number (4124736).

Almost surely, 2^47061620 is an apocalyptic number.

It is an amenable number.

47061620 is an abundant number, since it is smaller than the sum of its proper divisors (51932044).

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

47061620 is a wasteful number, since it uses less digits than its factorization.

47061620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919 (or 3917 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 47061620 is about 6860.1472287408. The cubic root of 47061620 is about 361.0402525180.

Adding to 47061620 its reverse (2616074), we get a palindrome (49677694).

The spelling of 47061620 in words is "forty-seven million, sixty-one thousand, six hundred twenty".