473857729 has 2 divisors, whose sum is σ = 473857730. Its totient is φ = 473857728.

The previous prime is 473857691. The next prime is 473857793. The reversal of 473857729 is 927758374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399000625 + 74857104 = 19975^2 + 8652^2 .

It is a cyclic number.

It is not a de Polignac number, because 473857729 - 2⁹ = 473857217 is a prime.

It is a super-2 number, since 2×473857729² = 449082294666074882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (473857429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236928864 + 236928865.

It is an arithmetic number, because the mean of its divisors is an integer number (236928865).

Almost surely, 2^473857729 is an apocalyptic number.

It is an amenable number.

473857729 is a deficient number, since it is larger than the sum of its proper divisors (1).

473857729 is an equidigital number, since it uses as much as digits as its factorization.

473857729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 52.

The square root of 473857729 is about 21768.2734501384. The cubic root of 473857729 is about 779.6194335695.

The spelling of 473857729 in words is "four hundred seventy-three million, eight hundred fifty-seven thousand, seven hundred twenty-nine".