47304539 has 4 divisors (see below), whose sum is σ = 48935760. Its totient is φ = 45673320.

The previous prime is 47304533. The next prime is 47304541. The reversal of 47304539 is 93540374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47304539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47304499 and 47304508.

It is not an unprimeable number, because it can be changed into a prime (47304533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815567 + ... + 815624.

It is an arithmetic number, because the mean of its divisors is an integer number (12233940).

Almost surely, 2^47304539 is an apocalyptic number.

47304539 is a deficient number, since it is larger than the sum of its proper divisors (1631221).

47304539 is a wasteful number, since it uses less digits than its factorization.

47304539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631220.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 47304539 is about 6877.8295268202. The cubic root of 47304539 is about 361.6603832311.

The spelling of 47304539 in words is "forty-seven million, three hundred four thousand, five hundred thirty-nine".