68001678 has 12 divisors (see below), whose sum is σ = 147337008. Its totient is φ = 22667220.

The previous prime is 68001653. The next prime is 68001691. The reversal of 68001678 is 87610086.

It is a super-3 number, since 3×68001678³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1888918 + ... + 1888953.

It is an arithmetic number, because the mean of its divisors is an integer number (12278084).

Almost surely, 2^68001678 is an apocalyptic number.

68001678 is an abundant number, since it is smaller than the sum of its proper divisors (79335330).

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

68001678 is a wasteful number, since it uses less digits than its factorization.

68001678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777879 (or 3777876 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 68001678 is about 8246.3129943024. The cubic root of 68001678 is about 408.1688675255.

The spelling of 68001678 in words is "sixty-eight million, one thousand, six hundred seventy-eight".