68725724 has 24 divisors (see below), whose sum is σ = 123926208. Its totient is φ = 33324480.

The previous prime is 68725721. The next prime is 68725733. The reversal of 68725724 is 42752786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68725721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61757 + ... + 62859.

It is an arithmetic number, because the mean of its divisors is an integer number (5163592).

Almost surely, 2^68725724 is an apocalyptic number.

It is an amenable number.

68725724 is a deficient number, since it is larger than the sum of its proper divisors (55200484).

68725724 is a wasteful number, since it uses less digits than its factorization.

68725724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1563 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 68725724 is about 8290.0979487579. The cubic root of 68725724 is about 409.6124118223.

The spelling of 68725724 in words is "sixty-eight million, seven hundred twenty-five thousand, seven hundred twenty-four".