68304633 has 4 divisors (see below), whose sum is σ = 91072848. Its totient is φ = 45536420.

The previous prime is 68304631. The next prime is 68304667. The reversal of 68304633 is 33640386.

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 68304633 - 2¹ = 68304631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68304594 and 68304603.

It is not an unprimeable number, because it can be changed into a prime (68304631) 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, 11384103 + ... + 11384108.

It is an arithmetic number, because the mean of its divisors is an integer number (22768212).

Almost surely, 2^68304633 is an apocalyptic number.

It is an amenable number.

68304633 is a deficient number, since it is larger than the sum of its proper divisors (22768215).

68304633 is a wasteful number, since it uses less digits than its factorization.

68304633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22768214.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 68304633 is about 8264.6616990655. The cubic root of 68304633 is about 408.7741154211.

The spelling of 68304633 in words is "sixty-eight million, three hundred four thousand, six hundred thirty-three".