47392279 has 8 divisors (see below), whose sum is σ = 51751440. Its totient is φ = 43041600.

The previous prime is 47392223. The next prime is 47392291. The reversal of 47392279 is 97229374.

It is a happy number.

47392279 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 a cyclic number.

It is not a de Polignac number, because 47392279 - 2¹⁹ = 46867991 is a prime.

It is a super-3 number, since 3×47392279³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47392879) 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, 17539 + ... + 20059.

It is an arithmetic number, because the mean of its divisors is an integer number (6468930).

Almost surely, 2^47392279 is an apocalyptic number.

47392279 is a deficient number, since it is larger than the sum of its proper divisors (4359161).

47392279 is a wasteful number, since it uses less digits than its factorization.

47392279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241.

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

The square root of 47392279 is about 6884.2050376205. The cubic root of 47392279 is about 361.8838465189.

The spelling of 47392279 in words is "forty-seven million, three hundred ninety-two thousand, two hundred seventy-nine".