68634546 has 8 divisors (see below), whose sum is σ = 137269104. Its totient is φ = 22878180.

The previous prime is 68634541. The next prime is 68634547. The reversal of 68634546 is 64543686.

It is a sphenic number, since it is the product of 3 distinct primes.

68634546 is an admirable number.

It is a super-2 number, since 2×68634546² = 9421401809252232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68634498 and 68634507.

It is not an unprimeable number, because it can be changed into a prime (68634541) 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 3 ways as a sum of consecutive naturals, for example, 5719540 + ... + 5719551.

It is an arithmetic number, because the mean of its divisors is an integer number (17158638).

Almost surely, 2^68634546 is an apocalyptic number.

68634546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68634546 is a wasteful number, since it uses less digits than its factorization.

68634546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439096.

The product of its digits is 414720, while the sum is 42.

The square root of 68634546 is about 8284.5969123428. The cubic root of 68634546 is about 409.4311882241.

The spelling of 68634546 in words is "sixty-eight million, six hundred thirty-four thousand, five hundred forty-six".