68120734 has 16 divisors (see below), whose sum is σ = 118028016. Its totient is φ = 29142400.

The previous prime is 68120711. The next prime is 68120761. The reversal of 68120734 is 43702186.

It is a junction number, because it is equal to n+sod(n) for n = 68120696 and 68120705.

It is a congruent number.

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, 90697 + ... + 91444.

It is an arithmetic number, because the mean of its divisors is an integer number (7376751).

Almost surely, 2^68120734 is an apocalyptic number.

68120734 is a deficient number, since it is larger than the sum of its proper divisors (49907282).

68120734 is a wasteful number, since it uses less digits than its factorization.

68120734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182171.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 68120734 is about 8253.5285787353. The cubic root of 68120734 is about 408.4069333203.

The spelling of 68120734 in words is "sixty-eight million, one hundred twenty thousand, seven hundred thirty-four".