47420628 has 12 divisors (see below), whose sum is σ = 110648160. Its totient is φ = 15806872.

The previous prime is 47420623. The next prime is 47420629. The reversal of 47420628 is 82602474.

47420628 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47420621) 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, 1975848 + ... + 1975871.

It is an arithmetic number, because the mean of its divisors is an integer number (9220680).

Almost surely, 2^47420628 is an apocalyptic number.

It is an amenable number.

47420628 is an abundant number, since it is smaller than the sum of its proper divisors (63227532).

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

47420628 is a wasteful number, since it uses less digits than its factorization.

47420628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951726 (or 3951724 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 47420628 is about 6886.2637184470. The cubic root of 47420628 is about 361.9559890738.

The spelling of 47420628 in words is "forty-seven million, four hundred twenty thousand, six hundred twenty-eight".