64061743 has 2 divisors, whose sum is σ = 64061744. Its totient is φ = 64061742.

The previous prime is 64061731. The next prime is 64061759. The reversal of 64061743 is 34716046.

64061743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64061743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64061243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32030871 + 32030872.

It is an arithmetic number, because the mean of its divisors is an integer number (32030872).

Almost surely, 2^64061743 is an apocalyptic number.

64061743 is a deficient number, since it is larger than the sum of its proper divisors (1).

64061743 is an equidigital number, since it uses as much as digits as its factorization.

64061743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 64061743 is about 8003.8580072363. The cubic root of 64061743 is about 400.1285899072.

Adding to 64061743 its reverse (34716046), we get a palindrome (98777789).

The spelling of 64061743 in words is "sixty-four million, sixty-one thousand, seven hundred forty-three".