68230747 has 4 divisors (see below), whose sum is σ = 73479280. Its totient is φ = 62982216.

The previous prime is 68230717. The next prime is 68230751. The reversal of 68230747 is 74703286.

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

It is a cyclic number.

It is not a de Polignac number, because 68230747 - 2⁷ = 68230619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68230717) 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, 2624247 + ... + 2624272.

It is an arithmetic number, because the mean of its divisors is an integer number (18369820).

Almost surely, 2^68230747 is an apocalyptic number.

68230747 is a deficient number, since it is larger than the sum of its proper divisors (5248533).

68230747 is a wasteful number, since it uses less digits than its factorization.

68230747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248532.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 68230747 is about 8260.1904941714. The cubic root of 68230747 is about 408.6266701712.

The spelling of 68230747 in words is "sixty-eight million, two hundred thirty thousand, seven hundred forty-seven".