476463721 has 2 divisors, whose sum is σ = 476463722. Its totient is φ = 476463720.

The previous prime is 476463697. The next prime is 476463731. The reversal of 476463721 is 127364674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347300496 + 129163225 = 18636^2 + 11365^2 .

It is a cyclic number.

It is not a de Polignac number, because 476463721 - 2¹¹ = 476461673 is a prime.

It is not a weakly prime, because it can be changed into another prime (476463731) 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, 238231860 + 238231861.

It is an arithmetic number, because the mean of its divisors is an integer number (238231861).

Almost surely, 2^476463721 is an apocalyptic number.

It is an amenable number.

476463721 is a deficient number, since it is larger than the sum of its proper divisors (1).

476463721 is an equidigital number, since it uses as much as digits as its factorization.

476463721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 40.

The square root of 476463721 is about 21828.0489508339. The cubic root of 476463721 is about 781.0460002317.

The spelling of 476463721 in words is "four hundred seventy-six million, four hundred sixty-three thousand, seven hundred twenty-one".