47365728 has 24 divisors (see below), whose sum is σ = 124335288. Its totient is φ = 15788544.

The previous prime is 47365699. The next prime is 47365739. The reversal of 47365728 is 82756374.

47365728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 47365728.

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 3 ways as a sum of consecutive naturals, for example, 246601 + ... + 246792.

It is an arithmetic number, because the mean of its divisors is an integer number (5180637).

Almost surely, 2^47365728 is an apocalyptic number.

47365728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47365728 is an abundant number, since it is smaller than the sum of its proper divisors (76969560).

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

47365728 is a wasteful number, since it uses less digits than its factorization.

47365728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493406 (or 493398 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 47365728 is about 6882.2763675982. The cubic root of 47365728 is about 361.8162534207.

The spelling of 47365728 in words is "forty-seven million, three hundred sixty-five thousand, seven hundred twenty-eight".