47304730521 has 24 divisors (see below), whose sum is σ = 72051876000. Its totient is φ = 29824103232.

The previous prime is 47304730507. The next prime is 47304730609. The reversal of 47304730521 is 12503740374.

47304730521 is a `hidden beast` number, since 47 + 304 + 7 + 305 + 2 + 1 = 666.

47304730521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47304730521 - 2⁵ = 47304730489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47304730321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145791 + ... + 340388.

It is an arithmetic number, because the mean of its divisors is an integer number (3002161500).

Almost surely, 2^47304730521 is an apocalyptic number.

It is an amenable number.

47304730521 is a deficient number, since it is larger than the sum of its proper divisors (24747145479).

47304730521 is a wasteful number, since it uses less digits than its factorization.

47304730521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486773 (or 486770 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 47304730521 in words is "forty-seven billion, three hundred four million, seven hundred thirty thousand, five hundred twenty-one".