68344546 has 8 divisors (see below), whose sum is σ = 106974144. Its totient is φ = 32686500.

The previous prime is 68344519. The next prime is 68344567. The reversal of 68344546 is 64544386.

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

It is a super-2 number, since 2×68344546² = 9341953935892232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68344499 and 68344508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742830 + ... + 742921.

It is an arithmetic number, because the mean of its divisors is an integer number (13371768).

Almost surely, 2^68344546 is an apocalyptic number.

68344546 is a deficient number, since it is larger than the sum of its proper divisors (38629598).

68344546 is a wasteful number, since it uses less digits than its factorization.

68344546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485776.

The product of its digits is 276480, while the sum is 40.

The square root of 68344546 is about 8267.0760248107. The cubic root of 68344546 is about 408.8537206820.

The spelling of 68344546 in words is "sixty-eight million, three hundred forty-four thousand, five hundred forty-six".