68776546 has 16 divisors (see below), whose sum is σ = 104772384. Its totient is φ = 33856704.

The previous prime is 68776529. The next prime is 68776549. The reversal of 68776546 is 64567786.

68776546 = T₃₁₀ + T₃₁₁ + ... + T₇₆₁.

It is a self number, because there is not a number n which added to its sum of digits gives 68776546.

It is not an unprimeable number, because it can be changed into a prime (68776549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35905 + ... + 37771.

It is an arithmetic number, because the mean of its divisors is an integer number (6548274).

Almost surely, 2^68776546 is an apocalyptic number.

68776546 is a deficient number, since it is larger than the sum of its proper divisors (35995838).

68776546 is a wasteful number, since it uses less digits than its factorization.

68776546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145.

The product of its digits is 1693440, while the sum is 49.

The square root of 68776546 is about 8293.1626054238. The cubic root of 68776546 is about 409.7133550668.

The spelling of 68776546 in words is "sixty-eight million, seven hundred seventy-six thousand, five hundred forty-six".