47427740 has 24 divisors (see below), whose sum is σ = 101288880. Its totient is φ = 18649088.

The previous prime is 47427727. The next prime is 47427749. The reversal of 47427740 is 4772474.

47427740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47427740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47427749) 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, 18917 + ... + 21276.

It is an arithmetic number, because the mean of its divisors is an integer number (4220370).

Almost surely, 2^47427740 is an apocalyptic number.

It is an amenable number.

47427740 is an abundant number, since it is smaller than the sum of its proper divisors (53861140).

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

47427740 is a wasteful number, since it uses less digits than its factorization.

47427740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40261 (or 40259 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 35.

The square root of 47427740 is about 6886.7800894177. The cubic root of 47427740 is about 361.9740831847.

The spelling of 47427740 in words is "forty-seven million, four hundred twenty-seven thousand, seven hundred forty".