68812001 has 8 divisors (see below), whose sum is σ = 69486504. Its totient is φ = 68140800.

The previous prime is 68811989. The next prime is 68812013. The reversal of 68812001 is 10021886.

It is an interprime number because it is at equal distance from previous prime (68811989) and next prime (68812013).

It can be written as a sum of positive squares in 4 ways, for example, as 46240000 + 22572001 = 6800^2 + 4751^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68812001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68812061) 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, 62411 + ... + 63503.

It is an arithmetic number, because the mean of its divisors is an integer number (8685813).

Almost surely, 2^68812001 is an apocalyptic number.

It is an amenable number.

68812001 is a deficient number, since it is larger than the sum of its proper divisors (674503).

68812001 is a wasteful number, since it uses less digits than its factorization.

68812001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 68812001 is about 8295.2999343001. The cubic root of 68812001 is about 409.7837467551.

Adding to 68812001 its reverse (10021886), we get a palindrome (78833887).

The spelling of 68812001 in words is "sixty-eight million, eight hundred twelve thousand, one".