68604378 has 16 divisors (see below), whose sum is σ = 139089216. Its totient is φ = 22554720.

The previous prime is 68604373. The next prime is 68604391. The reversal of 68604378 is 87340686.

It is not an unprimeable number, because it can be changed into a prime (68604373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77878 + ... + 78753.

It is an arithmetic number, because the mean of its divisors is an integer number (8693076).

Almost surely, 2^68604378 is an apocalyptic number.

68604378 is an abundant number, since it is smaller than the sum of its proper divisors (70484838).

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

68604378 is a wasteful number, since it uses less digits than its factorization.

68604378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156709.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68604378 is about 8282.7759839320. The cubic root of 68604378 is about 409.3711915657.

The spelling of 68604378 in words is "sixty-eight million, six hundred four thousand, three hundred seventy-eight".