47356140 has 96 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 11529216.

The previous prime is 47356109. The next prime is 47356147. The reversal of 47356140 is 4165374.

47356140 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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 47356098 and 47356107.

It is not an unprimeable number, because it can be changed into a prime (47356147) 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 31 ways as a sum of consecutive naturals, for example, 84742 + ... + 85298.

It is an arithmetic number, because the mean of its divisors is an integer number (1503810).

Almost surely, 2^47356140 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 47356140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72182880).

47356140 is an abundant number, since it is smaller than the sum of its proper divisors (97009620).

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

47356140 is a wasteful number, since it uses less digits than its factorization.

47356140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 47356140 is about 6881.5797604910. The cubic root of 47356140 is about 361.7918382406.

The spelling of 47356140 in words is "forty-seven million, three hundred fifty-six thousand, one hundred forty".