68744783 has 2 divisors, whose sum is σ = 68744784. Its totient is φ = 68744782.

The previous prime is 68744777. The next prime is 68744789. The reversal of 68744783 is 38744786.

It is a balanced prime because it is at equal distance from previous prime (68744777) and next prime (68744789).

It is a cyclic number.

It is not a de Polignac number, because 68744783 - 2¹² = 68740687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68744789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34372391 + 34372392.

It is an arithmetic number, because the mean of its divisors is an integer number (34372392).

Almost surely, 2^68744783 is an apocalyptic number.

68744783 is a deficient number, since it is larger than the sum of its proper divisors (1).

68744783 is an equidigital number, since it uses as much as digits as its factorization.

68744783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 47.

The square root of 68744783 is about 8291.2473729832. The cubic root of 68744783 is about 409.6502728586.

The spelling of 68744783 in words is "sixty-eight million, seven hundred forty-four thousand, seven hundred eighty-three".