47947193 has 8 divisors (see below), whose sum is σ = 56071488. Its totient is φ = 40141584.

The previous prime is 47947189. The next prime is 47947231. The reversal of 47947193 is 39174974.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47947193 - 2² = 47947189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47947103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79346 + ... + 79947.

It is an arithmetic number, because the mean of its divisors is an integer number (7008936).

Almost surely, 2^47947193 is an apocalyptic number.

47947193 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47947193 is a deficient number, since it is larger than the sum of its proper divisors (8124295).

47947193 is a wasteful number, since it uses less digits than its factorization.

47947193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159343.

The product of its digits is 190512, while the sum is 44.

The square root of 47947193 is about 6924.3911645718. The cubic root of 47947193 is about 363.2907964866.

The spelling of 47947193 in words is "forty-seven million, nine hundred forty-seven thousand, one hundred ninety-three".