68617725 has 48 divisors (see below), whose sum is σ = 127801344. Its totient is φ = 32184000.

The previous prime is 68617699. The next prime is 68617733. The reversal of 68617725 is 52771686.

It is not a de Polignac number, because 68617725 - 2⁵ = 68617693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24234 + ... + 26916.

It is an arithmetic number, because the mean of its divisors is an integer number (2662528).

Almost surely, 2^68617725 is an apocalyptic number.

It is an amenable number.

68617725 is a deficient number, since it is larger than the sum of its proper divisors (59183619).

68617725 is a wasteful number, since it uses less digits than its factorization.

68617725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738 (or 2733 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 68617725 is about 8283.5816528842. The cubic root of 68617725 is about 409.3977376023.

The spelling of 68617725 in words is "sixty-eight million, six hundred seventeen thousand, seven hundred twenty-five".