47845620 has 96 divisors (see below), whose sum is σ = 149869440. Its totient is φ = 12672000.

The previous prime is 47845613. The next prime is 47845631. The reversal of 47845620 is 2654874.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135364 + ... + 135716.

It is an arithmetic number, because the mean of its divisors is an integer number (1561140).

Almost surely, 2^47845620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47845620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74934720).

47845620 is an abundant number, since it is smaller than the sum of its proper divisors (102023820).

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

47845620 is a wasteful number, since it uses less digits than its factorization.

47845620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 47845620 is about 6917.0528406251. The cubic root of 47845620 is about 363.0340791719.

It can be divided in two parts, 4784 and 5620, that added together give a square (10404 = 102²).

The spelling of 47845620 in words is "forty-seven million, eight hundred forty-five thousand, six hundred twenty".