676803021 has 8 divisors (see below), whose sum is σ = 902992800. Its totient is φ = 450907632.

The previous prime is 676803013. The next prime is 676803059. The reversal of 676803021 is 120308676.

676803021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 676803021 - 2³ = 676803013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676803091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68175 + ... + 77468.

It is an arithmetic number, because the mean of its divisors is an integer number (112874100).

Almost surely, 2^676803021 is an apocalyptic number.

It is an amenable number.

676803021 is a deficient number, since it is larger than the sum of its proper divisors (226189779).

676803021 is a wasteful number, since it uses less digits than its factorization.

676803021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147195.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 676803021 is about 26015.4381281577. The cubic root of 676803021 is about 877.9856737890.

The spelling of 676803021 in words is "six hundred seventy-six million, eight hundred three thousand, twenty-one".