47712279 has 8 divisors (see below), whose sum is σ = 65810160. Its totient is φ = 30711296.

The previous prime is 47712257. The next prime is 47712311. The reversal of 47712279 is 97221774.

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 47712279 - 2⁸ = 47712023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47712209) 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, 274122 + ... + 274295.

It is an arithmetic number, because the mean of its divisors is an integer number (8226270).

Almost surely, 2^47712279 is an apocalyptic number.

47712279 is a deficient number, since it is larger than the sum of its proper divisors (18097881).

47712279 is a wasteful number, since it uses less digits than its factorization.

47712279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548449.

The product of its digits is 49392, while the sum is 39.

The square root of 47712279 is about 6907.4075455268. The cubic root of 47712279 is about 362.6965187312.

The spelling of 47712279 in words is "forty-seven million, seven hundred twelve thousand, two hundred seventy-nine".