47296729 has 2 divisors, whose sum is σ = 47296730. Its totient is φ = 47296728.

The previous prime is 47296699. The next prime is 47296751. The reversal of 47296729 is 92769274.

It is a happy number.

47296729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47293129 + 3600 = 6877^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 47296729 - 2⁹ = 47296217 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47296759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23648364 + 23648365.

It is an arithmetic number, because the mean of its divisors is an integer number (23648365).

Almost surely, 2^47296729 is an apocalyptic number.

It is an amenable number.

47296729 is a deficient number, since it is larger than the sum of its proper divisors (1).

47296729 is an equidigital number, since it uses as much as digits as its factorization.

47296729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 47296729 is about 6877.2617370579. The cubic root of 47296729 is about 361.6404787067.

The spelling of 47296729 in words is "forty-seven million, two hundred ninety-six thousand, seven hundred twenty-nine".