47903479 has 8 divisors (see below), whose sum is σ = 51850400. Its totient is φ = 43994016.

The previous prime is 47903477. The next prime is 47903497. The reversal of 47903479 is 97430974.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47903479 - 2¹ = 47903477 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 (47903477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6672 + ... + 11845.

It is an arithmetic number, because the mean of its divisors is an integer number (6481300).

Almost surely, 2^47903479 is an apocalyptic number.

47903479 is a deficient number, since it is larger than the sum of its proper divisors (3946921).

47903479 is a wasteful number, since it uses less digits than its factorization.

47903479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729.

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

The square root of 47903479 is about 6921.2339217801. The cubic root of 47903479 is about 363.1803574696.

The spelling of 47903479 in words is "forty-seven million, nine hundred three thousand, four hundred seventy-nine".