676684080 has 60 divisors (see below), whose sum is σ = 2272533120. Its totient is φ = 180448896.

The previous prime is 676684061. The next prime is 676684087. The reversal of 676684080 is 80486676.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676684087) 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 in 11 ways as a sum of consecutive naturals, for example, 469200 + ... + 470639.

It is an arithmetic number, because the mean of its divisors is an integer number (37875552).

Almost surely, 2^676684080 is an apocalyptic number.

676684080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

676684080 is an abundant number, since it is smaller than the sum of its proper divisors (1595849040).

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

676684080 is a wasteful number, since it uses less digits than its factorization.

676684080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939858 (or 939849 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 676684080 is about 26013.1520581417. The cubic root of 676684080 is about 877.9342385319.

The spelling of 676684080 in words is "six hundred seventy-six million, six hundred eighty-four thousand, eighty".