64042703 has 2 divisors, whose sum is σ = 64042704. Its totient is φ = 64042702.

The previous prime is 64042651. The next prime is 64042729. The reversal of 64042703 is 30724046.

It is a happy number.

It is an a-pointer prime, because the next prime (64042729) can be obtained adding 64042703 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64042703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64042763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32021351 + 32021352.

It is an arithmetic number, because the mean of its divisors is an integer number (32021352).

Almost surely, 2^64042703 is an apocalyptic number.

64042703 is a deficient number, since it is larger than the sum of its proper divisors (1).

64042703 is an equidigital number, since it uses as much as digits as its factorization.

64042703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 64042703 is about 8002.6684924468. The cubic root of 64042703 is about 400.0889448039.

Adding to 64042703 its reverse (30724046), we get a palindrome (94766749).

The spelling of 64042703 in words is "sixty-four million, forty-two thousand, seven hundred three".