68687082 has 32 divisors (see below), whose sum is σ = 156192960. Its totient is φ = 22362480.

The previous prime is 68687081. The next prime is 68687083. The reversal of 68687082 is 28078686.

It is an interprime number because it is at equal distance from previous prime (68687081) and next prime (68687083).

It is not an unprimeable number, because it can be changed into a prime (68687081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12469 + ... + 17112.

It is an arithmetic number, because the mean of its divisors is an integer number (4881030).

Almost surely, 2^68687082 is an apocalyptic number.

68687082 is an abundant number, since it is smaller than the sum of its proper divisors (87505878).

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

68687082 is a wasteful number, since it uses less digits than its factorization.

68687082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29635 (or 29629 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 68687082 is about 8287.7670092734. The cubic root of 68687082 is about 409.5356273260.

The spelling of 68687082 in words is "sixty-eight million, six hundred eighty-seven thousand, eighty-two".