47004479 has 4 divisors (see below), whose sum is σ = 49048176. Its totient is φ = 44960784.

The previous prime is 47004469. The next prime is 47004487. The reversal of 47004479 is 97440074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97440074 = 2 ⋅48720037.

It is a cyclic number.

It is not a de Polignac number, because 47004479 - 2¹² = 47000383 is a prime.

It is a super-2 number, since 2×47004479² = 4418842092122882, which contains 22 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 (47004449) 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, 1021814 + ... + 1021859.

It is an arithmetic number, because the mean of its divisors is an integer number (12262044).

Almost surely, 2^47004479 is an apocalyptic number.

47004479 is a deficient number, since it is larger than the sum of its proper divisors (2043697).

47004479 is a wasteful number, since it uses less digits than its factorization.

47004479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043696.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 47004479 is about 6855.9812572673. The cubic root of 47004479 is about 360.8940714313.

The spelling of 47004479 in words is "forty-seven million, four thousand, four hundred seventy-nine".