68380725 has 72 divisors (see below), whose sum is σ = 137401920. Its totient is φ = 29863680.

The previous prime is 68380721. The next prime is 68380727. The reversal of 68380725 is 52708386.

It is not a de Polignac number, because 68380725 - 2² = 68380721 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68380721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84121 + ... + 84929.

It is an arithmetic number, because the mean of its divisors is an integer number (1908360).

Almost surely, 2^68380725 is an apocalyptic number.

It is an amenable number.

68380725 is an abundant number, since it is smaller than the sum of its proper divisors (69021195).

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

68380725 is a wasteful number, since it uses less digits than its factorization.

68380725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 68380725 is about 8269.2638729212. The cubic root of 68380725 is about 408.9258518190.

The spelling of 68380725 in words is "sixty-eight million, three hundred eighty thousand, seven hundred twenty-five".