64245743 has 2 divisors, whose sum is σ = 64245744. Its totient is φ = 64245742.

The previous prime is 64245691. The next prime is 64245781. The reversal of 64245743 is 34754246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64245743 - 2¹⁴ = 64229359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64245793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32122871 + 32122872.

It is an arithmetic number, because the mean of its divisors is an integer number (32122872).

Almost surely, 2^64245743 is an apocalyptic number.

64245743 is a deficient number, since it is larger than the sum of its proper divisors (1).

64245743 is an equidigital number, since it uses as much as digits as its factorization.

64245743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 35.

The square root of 64245743 is about 8015.3442221779. The cubic root of 64245743 is about 400.5113107082.

Adding to 64245743 its reverse (34754246), we get a palindrome (98999989).

It can be divided in two parts, 6424 and 5743, that added together give a cube (12167 = 23³).

The spelling of 64245743 in words is "sixty-four million, two hundred forty-five thousand, seven hundred forty-three".