68089625 has 8 divisors (see below), whose sum is σ = 84976008. Its totient is φ = 54471600.

The previous prime is 68089613. The next prime is 68089627. The reversal of 68089625 is 52698086.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11102224 + 56987401 = 3332^2 + 7549^2 .

It is not a de Polignac number, because 68089625 - 2¹⁸ = 67827481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68089627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272234 + ... + 272483.

It is an arithmetic number, because the mean of its divisors is an integer number (10622001).

Almost surely, 2^68089625 is an apocalyptic number.

It is an amenable number.

68089625 is a deficient number, since it is larger than the sum of its proper divisors (16886383).

68089625 is an equidigital number, since it uses as much as digits as its factorization.

68089625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544732 (or 544722 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 68089625 is about 8251.6437756365. The cubic root of 68089625 is about 408.3447541810.

The spelling of 68089625 in words is "sixty-eight million, eighty-nine thousand, six hundred twenty-five".