68548986 has 24 divisors (see below), whose sum is σ = 162025344. Its totient is φ = 20772360.

The previous prime is 68548969. The next prime is 68548999. The reversal of 68548986 is 68984586.

It is a happy number.

68548986 is a `hidden beast` number, since 6 + 8 + 548 + 98 + 6 = 666.

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, 172906 + ... + 173301.

It is an arithmetic number, because the mean of its divisors is an integer number (6751056).

Almost surely, 2^68548986 is an apocalyptic number.

68548986 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68548986 is an abundant number, since it is smaller than the sum of its proper divisors (93476358).

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

68548986 is a wasteful number, since it uses less digits than its factorization.

68548986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346226 (or 346223 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 68548986 is about 8279.4315022228. The cubic root of 68548986 is about 409.2609848249.

Subtracting 68548986 from its reverse (68984586), we obtain a square (435600 = 660²).

The spelling of 68548986 in words is "sixty-eight million, five hundred forty-eight thousand, nine hundred eighty-six".