68742035 has 32 divisors (see below), whose sum is σ = 90478080. Its totient is φ = 49996800.

The previous prime is 68742031. The next prime is 68742071. The reversal of 68742035 is 53024786.

It is a happy number.

It is not a de Polignac number, because 68742035 - 2² = 68742031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68741986 and 68742004.

It is not an unprimeable number, because it can be changed into a prime (68742031) 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 31 ways as a sum of consecutive naturals, for example, 184109 + ... + 184481.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^68742035 is an apocalyptic number.

68742035 is a deficient number, since it is larger than the sum of its proper divisors (21736045).

68742035 is a wasteful number, since it uses less digits than its factorization.

68742035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 68742035 is about 8291.0816544043. The cubic root of 68742035 is about 409.6448143404.

The spelling of 68742035 in words is "sixty-eight million, seven hundred forty-two thousand, thirty-five".