676420456 has 16 divisors (see below), whose sum is σ = 1268871840. Its totient is φ = 338054640.

The previous prime is 676420441. The next prime is 676420457. The reversal of 676420456 is 654024676.

It is not an unprimeable number, because it can be changed into a prime (676420457) 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, 195 + ... + 36781.

It is an arithmetic number, because the mean of its divisors is an integer number (79304490).

Almost surely, 2^676420456 is an apocalyptic number.

It is an amenable number.

676420456 is a deficient number, since it is larger than the sum of its proper divisors (592451384).

676420456 is a wasteful number, since it uses less digits than its factorization.

676420456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38904 (or 38900 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 676420456 is about 26008.0844354212. The cubic root of 676420456 is about 877.8202145708.

The spelling of 676420456 in words is "six hundred seventy-six million, four hundred twenty thousand, four hundred fifty-six".