47591738 has 16 divisors (see below), whose sum is σ = 78874560. Its totient is φ = 21422016.

The previous prime is 47591737. The next prime is 47591759. The reversal of 47591738 is 83719574.

47591738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47591737) 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, 29648 + ... + 31211.

It is an arithmetic number, because the mean of its divisors is an integer number (4929660).

Almost surely, 2^47591738 is an apocalyptic number.

47591738 is a deficient number, since it is larger than the sum of its proper divisors (31282822).

47591738 is a wasteful number, since it uses less digits than its factorization.

47591738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60901.

The product of its digits is 211680, while the sum is 44.

The square root of 47591738 is about 6898.6765397430. The cubic root of 47591738 is about 362.3908205486.

The spelling of 47591738 in words is "forty-seven million, five hundred ninety-one thousand, seven hundred thirty-eight".