64475743 has 2 divisors, whose sum is σ = 64475744. Its totient is φ = 64475742.

The previous prime is 64475737. The next prime is 64475773. The reversal of 64475743 is 34757446.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64475743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64475696 and 64475705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64475773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32237871 + 32237872.

It is an arithmetic number, because the mean of its divisors is an integer number (32237872).

Almost surely, 2^64475743 is an apocalyptic number.

64475743 is a deficient number, since it is larger than the sum of its proper divisors (1).

64475743 is an equidigital number, since it uses as much as digits as its factorization.

64475743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 40.

The square root of 64475743 is about 8029.6788852357. The cubic root of 64475743 is about 400.9886854891.

The spelling of 64475743 in words is "sixty-four million, four hundred seventy-five thousand, seven hundred forty-three".