68475633 has 4 divisors (see below), whose sum is σ = 91300848. Its totient is φ = 45650420.

The previous prime is 68475599. The next prime is 68475689. The reversal of 68475633 is 33657486.

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 68475633 - 2¹² = 68471537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68475233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11412603 + ... + 11412608.

It is an arithmetic number, because the mean of its divisors is an integer number (22825212).

Almost surely, 2^68475633 is an apocalyptic number.

It is an amenable number.

68475633 is a deficient number, since it is larger than the sum of its proper divisors (22825215).

68475633 is a wasteful number, since it uses less digits than its factorization.

68475633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22825214.

The product of its digits is 362880, while the sum is 42.

The square root of 68475633 is about 8275.0004833837. Note that the first 3 decimals coincide. The cubic root of 68475633 is about 409.1149518574.

The spelling of 68475633 in words is "sixty-eight million, four hundred seventy-five thousand, six hundred thirty-three".