676694784 has 144 divisors (see below), whose sum is σ = 1905204224. Its totient is φ = 212889600.

The previous prime is 676694783. The next prime is 676694789. The reversal of 676694784 is 487496676.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (676694783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023414 + ... + 1024074.

Almost surely, 2^676694784 is an apocalyptic number.

676694784 is a gapful number since it is divisible by the number (64) 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 676694784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952602112).

676694784 is an abundant number, since it is smaller than the sum of its proper divisors (1228509440).

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

676694784 is a wasteful number, since it uses less digits than its factorization.

676694784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 740 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 57.

The square root of 676694784 is about 26013.3577994076. The cubic root of 676694784 is about 877.9388676535.

The spelling of 676694784 in words is "six hundred seventy-six million, six hundred ninety-four thousand, seven hundred eighty-four".