68753881 has 8 divisors (see below), whose sum is σ = 80699840. Its totient is φ = 57338928.

The previous prime is 68753851. The next prime is 68753887. The reversal of 68753881 is 18835786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68753881 - 2¹¹ = 68751833 is a prime.

It is a super-2 number, since 2×68753881² = 9454192305124322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68753887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132471 + ... + 132988.

It is an arithmetic number, because the mean of its divisors is an integer number (10087480).

Almost surely, 2^68753881 is an apocalyptic number.

It is an amenable number.

68753881 is a deficient number, since it is larger than the sum of its proper divisors (11945959).

68753881 is a wasteful number, since it uses less digits than its factorization.

68753881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265503.

The product of its digits is 322560, while the sum is 46.

The square root of 68753881 is about 8291.7960056914. The cubic root of 68753881 is about 409.6683437270.

The spelling of 68753881 in words is "sixty-eight million, seven hundred fifty-three thousand, eight hundred eighty-one".