68602078 has 4 divisors (see below), whose sum is σ = 102903120. Its totient is φ = 34301038.

The previous prime is 68602069. The next prime is 68602111. The reversal of 68602078 is 87020686.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17150518 + ... + 17150521.

It is an arithmetic number, because the mean of its divisors is an integer number (25725780).

Almost surely, 2^68602078 is an apocalyptic number.

68602078 is a deficient number, since it is larger than the sum of its proper divisors (34301042).

68602078 is a wasteful number, since it uses less digits than its factorization.

68602078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34301041.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 68602078 is about 8282.6371404282. The cubic root of 68602078 is about 409.3666167155.

The spelling of 68602078 in words is "sixty-eight million, six hundred two thousand, seventy-eight".