68544486 has 24 divisors (see below), whose sum is σ = 148677984. Its totient is φ = 22822800.

The previous prime is 68544449. The next prime is 68544547. The reversal of 68544486 is 68444586.

68544486 is a `hidden beast` number, since 68 + 544 + 48 + 6 = 666.

68544486 is a nontrivial binomial coefficient, being equal to C(11709, 2).

It is a super-2 number, since 2×68544486² = 9396693122008392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21955 + ... + 24881.

It is an arithmetic number, because the mean of its divisors is an integer number (6194916).

Almost surely, 2^68544486 is an apocalyptic number.

68544486 is the 11708-th triangular number.

68544486 is an abundant number, since it is smaller than the sum of its proper divisors (80133498).

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

68544486 is a wasteful number, since it uses less digits than its factorization.

68544486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4233 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 68544486 is about 8279.1597399736. The cubic root of 68544486 is about 409.2520291138.

The spelling of 68544486 in words is "sixty-eight million, five hundred forty-four thousand, four hundred eighty-six".