47930479 has 4 divisors (see below), whose sum is σ = 48742920. Its totient is φ = 47118040.

The previous prime is 47930473. The next prime is 47930537. The reversal of 47930479 is 97403974.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47930479 - 2¹⁵ = 47897711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47930473) 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 3 ways as a sum of consecutive naturals, for example, 406132 + ... + 406249.

It is an arithmetic number, because the mean of its divisors is an integer number (12185730).

Almost surely, 2^47930479 is an apocalyptic number.

47930479 is a deficient number, since it is larger than the sum of its proper divisors (812441).

47930479 is an equidigital number, since it uses as much as digits as its factorization.

47930479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812440.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 47930479 is about 6923.1841662634. The cubic root of 47930479 is about 363.2485781788.

The spelling of 47930479 in words is "forty-seven million, nine hundred thirty thousand, four hundred seventy-nine".