47304729 has 20 divisors (see below), whose sum is σ = 72948480. Its totient is φ = 30517560.

The previous prime is 47304703. The next prime is 47304731. The reversal of 47304729 is 92740374.

It is not a de Polignac number, because 47304729 - 2⁸ = 47304473 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47304693 and 47304702.

It is not an unprimeable number, because it can be changed into a prime (47304749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6909 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (3647424).

Almost surely, 2^47304729 is an apocalyptic number.

It is an amenable number.

47304729 is a deficient number, since it is larger than the sum of its proper divisors (25643751).

47304729 is a wasteful number, since it uses less digits than its factorization.

47304729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18882 (or 18873 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 47304729 is about 6877.8433393034. The cubic root of 47304729 is about 361.6608674368.

The spelling of 47304729 in words is "forty-seven million, three hundred four thousand, seven hundred twenty-nine".