68851733 has 8 divisors (see below), whose sum is σ = 69405336. Its totient is φ = 68300800.

The previous prime is 68851723. The next prime is 68851747. The reversal of 68851733 is 33715886.

It can be written as a sum of positive squares in 4 ways, for example, as 9284209 + 59567524 = 3047^2 + 7718^2 .

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 68851733 - 2⁸ = 68851477 is a prime.

It is a super-2 number, since 2×68851733² = 9481122274206578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68851723) 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, 107093 + ... + 107733.

It is an arithmetic number, because the mean of its divisors is an integer number (8675667).

Almost surely, 2^68851733 is an apocalyptic number.

It is an amenable number.

68851733 is a deficient number, since it is larger than the sum of its proper divisors (553603).

68851733 is a wasteful number, since it uses less digits than its factorization.

68851733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its digits is 120960, while the sum is 41.

The square root of 68851733 is about 8297.6944388185. The cubic root of 68851733 is about 409.8626011940.

The spelling of 68851733 in words is "sixty-eight million, eight hundred fifty-one thousand, seven hundred thirty-three".