47641730 has 32 divisors (see below), whose sum is σ = 88985088. Its totient is φ = 18345600.

The previous prime is 47641729. The next prime is 47641777. The reversal of 47641730 is 3714674.

It is a happy number.

47641730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×47641730³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 15 ways as a sum of consecutive naturals, for example, 96785 + ... + 97275.

It is an arithmetic number, because the mean of its divisors is an integer number (2780784).

Almost surely, 2^47641730 is an apocalyptic number.

47641730 is a deficient number, since it is larger than the sum of its proper divisors (41343358).

47641730 is a wasteful number, since it uses less digits than its factorization.

47641730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 47641730 is about 6902.2988923981. The cubic root of 47641730 is about 362.5176654094.

The spelling of 47641730 in words is "forty-seven million, six hundred forty-one thousand, seven hundred thirty".