68942024 has 8 divisors (see below), whose sum is σ = 129266310. Its totient is φ = 34471008.

The previous prime is 68942009. The next prime is 68942039. The reversal of 68942024 is 42024986.

It is an interprime number because it is at equal distance from previous prime (68942009) and next prime (68942039).

It can be written as a sum of positive squares in only one way, i.e., 51984100 + 16957924 = 7210^2 + 4118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4308869 + ... + 4308884.

Almost surely, 2^68942024 is an apocalyptic number.

It is an amenable number.

68942024 is a deficient number, since it is larger than the sum of its proper divisors (60324286).

68942024 is a wasteful number, since it uses less digits than its factorization.

68942024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617759 (or 8617755 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 68942024 is about 8303.1333844519. The cubic root of 68942024 is about 410.0416852322.

The spelling of 68942024 in words is "sixty-eight million, nine hundred forty-two thousand, twenty-four".