47122620 has 24 divisors (see below), whose sum is σ = 131943504. Its totient is φ = 12566016.

The previous prime is 47122609. The next prime is 47122627. The reversal of 47122620 is 2622174.

47122620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47122627) 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, 392629 + ... + 392748.

It is an arithmetic number, because the mean of its divisors is an integer number (5497646).

Almost surely, 2^47122620 is an apocalyptic number.

It is an amenable number.

47122620 is an abundant number, since it is smaller than the sum of its proper divisors (84820884).

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

47122620 is a wasteful number, since it uses less digits than its factorization.

47122620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785389 (or 785387 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 47122620 is about 6864.5917577085. The cubic root of 47122620 is about 361.1961753758.

Adding to 47122620 its reverse (2622174), we get a palindrome (49744794).

The spelling of 47122620 in words is "forty-seven million, one hundred twenty-two thousand, six hundred twenty".