68430473 has 8 divisors (see below), whose sum is σ = 69958728. Its totient is φ = 66911104.

The previous prime is 68430433. The next prime is 68430503. The reversal of 68430473 is 37403486.

It can be written as a sum of positive squares in 4 ways, for example, as 4489 + 68425984 = 67^2 + 8272^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 68430473 - 2⁸ = 68430217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68430413) 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, 14765 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (8744841).

Almost surely, 2^68430473 is an apocalyptic number.

It is an amenable number.

68430473 is a deficient number, since it is larger than the sum of its proper divisors (1528255).

68430473 is a wasteful number, since it uses less digits than its factorization.

68430473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 68430473 is about 8272.2713325906. The cubic root of 68430473 is about 409.0249943378.

The spelling of 68430473 in words is "sixty-eight million, four hundred thirty thousand, four hundred seventy-three".