68857033 has 4 divisors (see below), whose sum is σ = 78693760. Its totient is φ = 59020308.

The previous prime is 68857027. The next prime is 68857067. The reversal of 68857033 is 33075886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68857033 - 2⁵ = 68857001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68857093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4918353 + ... + 4918366.

It is an arithmetic number, because the mean of its divisors is an integer number (19673440).

Almost surely, 2^68857033 is an apocalyptic number.

It is an amenable number.

68857033 is a deficient number, since it is larger than the sum of its proper divisors (9836727).

68857033 is an equidigital number, since it uses as much as digits as its factorization.

68857033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9836726.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68857033 is about 8298.0137984942. The cubic root of 68857033 is about 409.8731175889.

The spelling of 68857033 in words is "sixty-eight million, eight hundred fifty-seven thousand, thirty-three".