676972240 has 80 divisors (see below), whose sum is σ = 1835596800. Its totient is φ = 232095360.

The previous prime is 676972217. The next prime is 676972253. The reversal of 676972240 is 42279676.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15105 + ... + 39775.

It is an arithmetic number, because the mean of its divisors is an integer number (22944960).

Almost surely, 2^676972240 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 676972240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917798400).

676972240 is an abundant number, since it is smaller than the sum of its proper divisors (1158624560).

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

676972240 is a wasteful number, since it uses less digits than its factorization.

676972240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24705 (or 24685 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 676972240 is about 26018.6902053120. The cubic root of 676972240 is about 878.0588410536.

The spelling of 676972240 in words is "six hundred seventy-six million, nine hundred seventy-two thousand, two hundred forty".