47281368 has 32 divisors (see below), whose sum is σ = 122281200. Its totient is φ = 15216768.

The previous prime is 47281357. The next prime is 47281373. The reversal of 47281368 is 86318274.

47281368 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 an unprimeable number.

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, 33271 + ... + 34662.

Almost surely, 2^47281368 is an apocalyptic number.

It is an amenable number.

47281368 is an abundant number, since it is smaller than the sum of its proper divisors (74999832).

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

47281368 is a wasteful number, since it uses less digits than its factorization.

47281368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67971 (or 67967 counting only the distinct ones).

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

The square root of 47281368 is about 6876.1448501322. The cubic root of 47281368 is about 361.6013233499.

The spelling of 47281368 in words is "forty-seven million, two hundred eighty-one thousand, three hundred sixty-eight".