68351836 has 24 divisors (see below), whose sum is σ = 136886400. Its totient is φ = 29254512.

The previous prime is 68351819. The next prime is 68351867. The reversal of 68351836 is 63815386.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31515 + ... + 33613.

It is an arithmetic number, because the mean of its divisors is an integer number (5703600).

Almost surely, 2^68351836 is an apocalyptic number.

It is an amenable number.

68351836 is an abundant number, since it is smaller than the sum of its proper divisors (68534564).

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

68351836 is a wasteful number, since it uses less digits than its factorization.

68351836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3271 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 68351836 is about 8267.5169186401. The cubic root of 68351836 is about 408.8682570171.

The spelling of 68351836 in words is "sixty-eight million, three hundred fifty-one thousand, eight hundred thirty-six".