47004530 has 16 divisors (see below), whose sum is σ = 84751704. Its totient is φ = 18769920.

The previous prime is 47004523. The next prime is 47004539. The reversal of 47004530 is 3540074.

It can be written as a sum of positive squares in 4 ways, for example, as 32844361 + 14160169 = 5731^2 + 3763^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47004496 and 47004505.

It is not an unprimeable number, because it can be changed into a prime (47004539) 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, 2744 + ... + 10076.

Almost surely, 2^47004530 is an apocalyptic number.

47004530 is a deficient number, since it is larger than the sum of its proper divisors (37747174).

47004530 is a wasteful number, since it uses less digits than its factorization.

47004530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 47004530 is about 6855.9849766463. The cubic root of 47004530 is about 360.8942019550.

The spelling of 47004530 in words is "forty-seven million, four thousand, five hundred thirty".