68078502 has 16 divisors (see below), whose sum is σ = 151285680. Its totient is φ = 22692816.

The previous prime is 68078467. The next prime is 68078579. The reversal of 68078502 is 20587086.

68078502 is a `hidden beast` number, since 6 + 80 + 78 + 502 = 666.

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 in 7 ways as a sum of consecutive naturals, for example, 630303 + ... + 630410.

It is an arithmetic number, because the mean of its divisors is an integer number (9455355).

Almost surely, 2^68078502 is an apocalyptic number.

68078502 is an abundant number, since it is smaller than the sum of its proper divisors (83207178).

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

68078502 is a wasteful number, since it uses less digits than its factorization.

68078502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260724 (or 1260718 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 68078502 is about 8250.9697611857. The cubic root of 68078502 is about 408.3225174793.

The spelling of 68078502 in words is "sixty-eight million, seventy-eight thousand, five hundred two".