676220064 has 96 divisors (see below), whose sum is σ = 1956233664. Its totient is φ = 203212800.

The previous prime is 676220059. The next prime is 676220087. The reversal of 676220064 is 460022676.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 47364 + ... + 59964.

It is an arithmetic number, because the mean of its divisors is an integer number (20377434).

Almost surely, 2^676220064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676220064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978116832).

676220064 is an abundant number, since it is smaller than the sum of its proper divisors (1280013600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676220064 is a wasteful number, since it uses less digits than its factorization.

676220064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670 (or 12662 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 676220064 is about 26004.2316556364. The cubic root of 676220064 is about 877.7335202074.

The spelling of 676220064 in words is "six hundred seventy-six million, two hundred twenty thousand, sixty-four".