478307744 has 12 divisors (see below), whose sum is σ = 941668434. Its totient is φ = 239153856.

The previous prime is 478307743. The next prime is 478307761. The reversal of 478307744 is 447703874.

It can be written as a sum of positive squares in only one way, i.e., 448931344 + 29376400 = 21188^2 + 5420^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 478307695 and 478307704.

It is not an unprimeable number, because it can be changed into a prime (478307741) 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 as a sum of consecutive naturals, namely, 7473527 + ... + 7473590.

Almost surely, 2^478307744 is an apocalyptic number.

It is an amenable number.

478307744 is a deficient number, since it is larger than the sum of its proper divisors (463360690).

478307744 is a wasteful number, since it uses less digits than its factorization.

478307744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947127 (or 14947119 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 44.

The square root of 478307744 is about 21870.2479181193. The cubic root of 478307744 is about 782.0523116999.

The spelling of 478307744 in words is "four hundred seventy-eight million, three hundred seven thousand, seven hundred forty-four".