676983840 has 384 divisors, whose sum is σ = 2469035520. Its totient is φ = 154632192.

The previous prime is 676983833. The next prime is 676983847. The reversal of 676983840 is 48389676.

It is an interprime number because it is at equal distance from previous prime (676983833) and next prime (676983847).

It is a super-2 number, since 2×676983840² = 916614239242291200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (676983847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7606516 + ... + 7606604.

It is an arithmetic number, because the mean of its divisors is an integer number (6429780).

Almost surely, 2^676983840 is an apocalyptic number.

676983840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676983840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234517760).

676983840 is an abundant number, since it is smaller than the sum of its proper divisors (1792051680).

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

676983840 is a wasteful number, since it uses less digits than its factorization.

676983840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 676983840 is about 26018.9131210356. The cubic root of 676983840 is about 878.0638562392.

It can be divided in two parts, 6769 and 83840, that added together give a palindrome (90609).

The spelling of 676983840 in words is "six hundred seventy-six million, nine hundred eighty-three thousand, eight hundred forty".