68612468 has 6 divisors (see below), whose sum is σ = 120071826. Its totient is φ = 34306232.

The previous prime is 68612449. The next prime is 68612471. The reversal of 68612468 is 86421686.

It can be written as a sum of positive squares in only one way, i.e., 63648484 + 4963984 = 7978^2 + 2228^2 .

It is a super-4 number, since 4×68612468⁴ (a number of 32 digits) contains 4444 as substring.

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 as a sum of consecutive naturals, namely, 8576555 + ... + 8576562.

It is an arithmetic number, because the mean of its divisors is an integer number (20011971).

Almost surely, 2^68612468 is an apocalyptic number.

It is an amenable number.

68612468 is a deficient number, since it is larger than the sum of its proper divisors (51459358).

68612468 is a wasteful number, since it uses less digits than its factorization.

68612468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17153121 (or 17153119 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 68612468 is about 8283.2643323753. The cubic root of 68612468 is about 409.3872822918.

The spelling of 68612468 in words is "sixty-eight million, six hundred twelve thousand, four hundred sixty-eight".