68611724 has 12 divisors (see below), whose sum is σ = 121260048. Its totient is φ = 33966000.

The previous prime is 68611663. The next prime is 68611729. The reversal of 68611724 is 42711686.

It is not an unprimeable number, because it can be changed into a prime (68611729) 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 3 ways as a sum of consecutive naturals, for example, 84512 + ... + 85319.

It is an arithmetic number, because the mean of its divisors is an integer number (10105004).

Almost surely, 2^68611724 is an apocalyptic number.

It is an amenable number.

68611724 is a deficient number, since it is larger than the sum of its proper divisors (52648324).

68611724 is a wasteful number, since it uses less digits than its factorization.

68611724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169936 (or 169934 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 68611724 is about 8283.2194224227. The cubic root of 68611724 is about 409.3858025547.

The spelling of 68611724 in words is "sixty-eight million, six hundred eleven thousand, seven hundred twenty-four".