47120940 has 240 divisors, whose sum is σ = 164656800. Its totient is φ = 11225088.

The previous prime is 47120939. The next prime is 47120947. The reversal of 47120940 is 4902174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47120947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 798631 + ... + 798689.

It is an arithmetic number, because the mean of its divisors is an integer number (686070).

Almost surely, 2^47120940 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 47120940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82328400).

47120940 is an abundant number, since it is smaller than the sum of its proper divisors (117535860).

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

47120940 is a wasteful number, since it uses less digits than its factorization.

47120940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47120940 is about 6864.4693895450. The cubic root of 47120940 is about 361.1918829094.

The spelling of 47120940 in words is "forty-seven million, one hundred twenty thousand, nine hundred forty".