47261620 has 24 divisors (see below), whose sum is σ = 113428224. Its totient is φ = 16203936.

The previous prime is 47261609. The next prime is 47261623. The reversal of 47261620 is 2616274.

47261620 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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47261623) 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 7 ways as a sum of consecutive naturals, for example, 168652 + ... + 168931.

It is an arithmetic number, because the mean of its divisors is an integer number (4726176).

Almost surely, 2^47261620 is an apocalyptic number.

It is an amenable number.

47261620 is an abundant number, since it is smaller than the sum of its proper divisors (66166604).

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

47261620 is a wasteful number, since it uses less digits than its factorization.

47261620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337599 (or 337597 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47261620 is about 6874.7087211023. The cubic root of 47261620 is about 361.5509730206.

Adding to 47261620 its reverse (2616274), we get a palindrome (49877894).

The spelling of 47261620 in words is "forty-seven million, two hundred sixty-one thousand, six hundred twenty".