68617446 has 16 divisors (see below), whose sum is σ = 141662208. Its totient is φ = 22134600.

The previous prime is 68617429. The next prime is 68617459. The reversal of 68617446 is 64471686.

It is a junction number, because it is equal to n+sod(n) for n = 68617398 and 68617407.

It is a congruent number.

It is an unprimeable number.

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, 184270 + ... + 184641.

It is an arithmetic number, because the mean of its divisors is an integer number (8853888).

Almost surely, 2^68617446 is an apocalyptic number.

68617446 is an abundant number, since it is smaller than the sum of its proper divisors (73044762).

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

68617446 is a wasteful number, since it uses less digits than its factorization.

68617446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368947.

The product of its digits is 193536, while the sum is 42.

The square root of 68617446 is about 8283.5648123257. The cubic root of 68617446 is about 409.3971827305.

Subtracting from 68617446 its reverse (64471686), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 68617446 in words is "sixty-eight million, six hundred seventeen thousand, four hundred forty-six".