47245479 has 8 divisors (see below), whose sum is σ = 63245952. Its totient is φ = 31371000.

The previous prime is 47245463. The next prime is 47245483. The reversal of 47245479 is 97454274.

47245479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47245479 - 2⁴ = 47245463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47245479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47245279) 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, 30619 + ... + 32124.

It is an arithmetic number, because the mean of its divisors is an integer number (7905744).

Almost surely, 2^47245479 is an apocalyptic number.

47245479 is a deficient number, since it is larger than the sum of its proper divisors (16000473).

47245479 is a wasteful number, since it uses less digits than its factorization.

47245479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62997.

The product of its digits is 282240, while the sum is 42.

The square root of 47245479 is about 6873.5346802064. The cubic root of 47245479 is about 361.5098088319.

The spelling of 47245479 in words is "forty-seven million, two hundred forty-five thousand, four hundred seventy-nine".