676416064 has 21 divisors (see below), whose sum is σ = 1342676131. Its totient is φ = 338104000.

The previous prime is 676416049. The next prime is 676416133. The reversal of 676416064 is 460614676.

It is a happy number.

The square root of 676416064 is 26008.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 206439 + ... + 209689.

Almost surely, 2^676416064 is an apocalyptic number.

676416064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

676416064 is the 26008-th square number.

It is an amenable number.

676416064 is a deficient number, since it is larger than the sum of its proper divisors (666260067).

676416064 is an frugal number, since it uses more digits than its factorization.

676416064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6514 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The cubic root of 676416064 is about 877.8183146703.

The spelling of 676416064 in words is "six hundred seventy-six million, four hundred sixteen thousand, sixty-four".