47160728 has 16 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 22767136.

The previous prime is 47160727. The next prime is 47160731. The reversal of 47160728 is 82706174.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47160727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101408 + ... + 101871.

It is an arithmetic number, because the mean of its divisors is an integer number (5717250).

Almost surely, 2^47160728 is an apocalyptic number.

It is an amenable number.

47160728 is a deficient number, since it is larger than the sum of its proper divisors (44315272).

47160728 is a wasteful number, since it uses less digits than its factorization.

47160728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203314 (or 203310 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 47160728 is about 6867.3668898640. The cubic root of 47160728 is about 361.2935154295.

The spelling of 47160728 in words is "forty-seven million, one hundred sixty thousand, seven hundred twenty-eight".