478727473 has 4 divisors (see below), whose sum is σ = 547117120. Its totient is φ = 410337828.

The previous prime is 478727467. The next prime is 478727479. The reversal of 478727473 is 374727874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 374727874 = 2 ⋅187363937.

It is an interprime number because it is at equal distance from previous prime (478727467) and next prime (478727479).

It is a cyclic number.

It is not a de Polignac number, because 478727473 - 2⁵ = 478727441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478727479) 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 in 3 ways as a sum of consecutive naturals, for example, 34194813 + ... + 34194826.

It is an arithmetic number, because the mean of its divisors is an integer number (136779280).

Almost surely, 2^478727473 is an apocalyptic number.

It is an amenable number.

478727473 is a deficient number, since it is larger than the sum of its proper divisors (68389647).

478727473 is an equidigital number, since it uses as much as digits as its factorization.

478727473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68389646.

The product of its digits is 1843968, while the sum is 49.

The square root of 478727473 is about 21879.8417041806. The cubic root of 478727473 is about 782.2810027253.

The spelling of 478727473 in words is "four hundred seventy-eight million, seven hundred twenty-seven thousand, four hundred seventy-three".