676336320 has 336 divisors, whose sum is σ = 2610904608. Its totient is φ = 159252480.

The previous prime is 676336319. The next prime is 676336337. The reversal of 676336320 is 23633676.

It is a happy number.

It is a super-2 number, since 2×676336320² = 914861635502284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1171872 + ... + 1172448.

Almost surely, 2^676336320 is an apocalyptic number.

676336320 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 676336320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305452304).

676336320 is an abundant number, since it is smaller than the sum of its proper divisors (1934568288).

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

676336320 is a wasteful number, since it uses less digits than its factorization.

676336320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 36.

The square root of 676336320 is about 26006.4668880646. The cubic root of 676336320 is about 877.7838174141.

Adding to 676336320 its reverse (23633676), we get a palindrome (699969996).

The spelling of 676336320 in words is "six hundred seventy-six million, three hundred thirty-six thousand, three hundred twenty".