68378370 has 32 divisors (see below), whose sum is σ = 166361472. Its totient is φ = 17983872.

The previous prime is 68378363. The next prime is 68378389. The reversal of 68378370 is 7387386.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13422 + ... + 17801.

It is an arithmetic number, because the mean of its divisors is an integer number (5198796).

Almost surely, 2^68378370 is an apocalyptic number.

68378370 is an abundant number, since it is smaller than the sum of its proper divisors (97983102).

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

68378370 is a wasteful number, since it uses less digits than its factorization.

68378370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31306.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 68378370 is about 8269.1214769164. The cubic root of 68378370 is about 408.9211573605.

The spelling of 68378370 in words is "sixty-eight million, three hundred seventy-eight thousand, three hundred seventy".