47821368 has 32 divisors (see below), whose sum is σ = 136632960. Its totient is φ = 13663200.

The previous prime is 47821349. The next prime is 47821369. The reversal of 47821368 is 86312874.

47821368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47821369) 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, 142158 + ... + 142493.

It is an arithmetic number, because the mean of its divisors is an integer number (4269780).

Almost surely, 2^47821368 is an apocalyptic number.

It is an amenable number.

47821368 is an abundant number, since it is smaller than the sum of its proper divisors (88811592).

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

47821368 is a wasteful number, since it uses less digits than its factorization.

47821368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284667 (or 284663 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 47821368 is about 6915.2995596720. The cubic root of 47821368 is about 362.9727305366.

The spelling of 47821368 in words is "forty-seven million, eight hundred twenty-one thousand, three hundred sixty-eight".