68003725 has 6 divisors (see below), whose sum is σ = 84324650. Its totient is φ = 54402960.

The previous prime is 68003687. The next prime is 68003737. The reversal of 68003725 is 52730086.

It can be written as a sum of positive squares in 3 ways, for example, as 14040009 + 53963716 = 3747^2 + 7346^2 .

It is not a de Polignac number, because 68003725 - 2¹⁹ = 67479437 is a prime.

It is a super-2 number, since 2×68003725² = 9249013227751250, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 1360050 + ... + 1360099.

Almost surely, 2^68003725 is an apocalyptic number.

It is an amenable number.

68003725 is a deficient number, since it is larger than the sum of its proper divisors (16320925).

68003725 is a wasteful number, since it uses less digits than its factorization.

68003725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720159 (or 2720154 counting only the distinct ones).

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

The square root of 68003725 is about 8246.4371094431. The cubic root of 68003725 is about 408.1729630778.

The spelling of 68003725 in words is "sixty-eight million, three thousand, seven hundred twenty-five".