68212380625 has 45 divisors (see below), whose sum is σ = 88338637431. Its totient is φ = 52652880000.

The previous prime is 68212380553. The next prime is 68212380647. The reversal of 68212380625 is 52608321286.

The square root of 68212380625 is 261175.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 63628549009 + 4583831616 = 252247^2 + 67704^2 .

It is not a de Polignac number, because 68212380625 - 2⁹ = 68212380113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 202410457 + ... + 202410793.

Almost surely, 2^68212380625 is an apocalyptic number.

68212380625 is the 261175-th square number.

68212380625 is the 130588-th centered octagonal number.

It is an amenable number.

68212380625 is a deficient number, since it is larger than the sum of its proper divisors (20126256806).

68212380625 is an frugal number, since it uses more digits than its factorization.

68212380625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 68212380625 in words is "sixty-eight billion, two hundred twelve million, three hundred eighty thousand, six hundred twenty-five".