68530783 has 2 divisors, whose sum is σ = 68530784. Its totient is φ = 68530782.

The previous prime is 68530733. The next prime is 68530811. The reversal of 68530783 is 38703586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68530783 - 2¹³ = 68522591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68530703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34265391 + 34265392.

It is an arithmetic number, because the mean of its divisors is an integer number (34265392).

Almost surely, 2^68530783 is an apocalyptic number.

68530783 is a deficient number, since it is larger than the sum of its proper divisors (1).

68530783 is an equidigital number, since it uses as much as digits as its factorization.

68530783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68530783 is about 8278.3321387825. The cubic root of 68530783 is about 409.2247555643.

The spelling of 68530783 in words is "sixty-eight million, five hundred thirty thousand, seven hundred eighty-three".