68601133 has 4 divisors (see below), whose sum is σ = 69895548. Its totient is φ = 67306720.

The previous prime is 68601131. The next prime is 68601139. The reversal of 68601133 is 33110686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28494244 + 40106889 = 5338^2 + 6333^2 .

It is a cyclic number.

It is not a de Polignac number, because 68601133 - 2¹ = 68601131 is a prime.

It is a super-2 number, since 2×68601133² = 9412230897767378, 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 (68601131) 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, 647128 + ... + 647233.

It is an arithmetic number, because the mean of its divisors is an integer number (17473887).

Almost surely, 2^68601133 is an apocalyptic number.

It is an amenable number.

68601133 is a deficient number, since it is larger than the sum of its proper divisors (1294415).

68601133 is a wasteful number, since it uses less digits than its factorization.

68601133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294414.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 68601133 is about 8282.5800931835. The cubic root of 68601133 is about 409.3647370191.

The spelling of 68601133 in words is "sixty-eight million, six hundred one thousand, one hundred thirty-three".