676412500 has 72 divisors (see below), whose sum is σ = 1508950296. Its totient is φ = 265200000.

The previous prime is 676412491. The next prime is 676412509. The reversal of 676412500 is 5214676.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (676412491) and next prime (676412509).

It can be written as a sum of positive squares in 12 ways, for example, as 651372484 + 25040016 = 25522^2 + 5004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676412509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661990 + ... + 663010.

It is an arithmetic number, because the mean of its divisors is an integer number (20957643).

Almost surely, 2^676412500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754475148).

676412500 is an abundant number, since it is smaller than the sum of its proper divisors (832537796).

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

676412500 is a wasteful number, since it uses less digits than its factorization.

676412500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 676412500 is about 26007.9314825305. The cubic root of 676412500 is about 877.8167729417.

The spelling of 676412500 in words is "six hundred seventy-six million, four hundred twelve thousand, five hundred".