68370856 has 16 divisors (see below), whose sum is σ = 128482740. Its totient is φ = 34108800.

The previous prime is 68370769. The next prime is 68370871. The reversal of 68370856 is 65807386.

It can be written as a sum of positive squares in 2 ways, for example, as 68326756 + 44100 = 8266^2 + 210^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5695 + ... + 13006.

Almost surely, 2^68370856 is an apocalyptic number.

It is an amenable number.

68370856 is a deficient number, since it is larger than the sum of its proper divisors (60111884).

68370856 is a wasteful number, since it uses less digits than its factorization.

68370856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19164 (or 19160 counting only the distinct ones).

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

The square root of 68370856 is about 8268.6671235454. The cubic root of 68370856 is about 408.9061782273.

The spelling of 68370856 in words is "sixty-eight million, three hundred seventy thousand, eight hundred fifty-six".