68072402 has 16 divisors (see below), whose sum is σ = 109091040. Its totient is φ = 31762368.

The previous prime is 68072393. The next prime is 68072413. The reversal of 68072402 is 20427086.

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 in 7 ways as a sum of consecutive naturals, for example, 10823 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (6818190).

Almost surely, 2^68072402 is an apocalyptic number.

68072402 is a deficient number, since it is larger than the sum of its proper divisors (41018638).

68072402 is a wasteful number, since it uses less digits than its factorization.

68072402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26825.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 68072402 is about 8250.6000993867. The cubic root of 68072402 is about 408.3103215501.

Adding to 68072402 its reverse (20427086), we get a palindrome (88499488).

The spelling of 68072402 in words is "sixty-eight million, seventy-two thousand, four hundred two".