68685370 has 32 divisors (see below), whose sum is σ = 134064000. Its totient is φ = 25185600.

The previous prime is 68685359. The next prime is 68685391. The reversal of 68685370 is 7358686.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17881 + ... + 21379.

It is an arithmetic number, because the mean of its divisors is an integer number (4189500).

Almost surely, 2^68685370 is an apocalyptic number.

68685370 is a deficient number, since it is larger than the sum of its proper divisors (65378630).

68685370 is a wasteful number, since it uses less digits than its factorization.

68685370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 68685370 is about 8287.6637238730. The cubic root of 68685370 is about 409.5322247899.

The spelling of 68685370 in words is "sixty-eight million, six hundred eighty-five thousand, three hundred seventy".