75464743 has 2 divisors, whose sum is σ = 75464744. Its totient is φ = 75464742.

The previous prime is 75464729. The next prime is 75464759. The reversal of 75464743 is 34746457.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75464743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75464696 and 75464705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75464773) 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, 37732371 + 37732372.

It is an arithmetic number, because the mean of its divisors is an integer number (37732372).

Almost surely, 2^75464743 is an apocalyptic number.

75464743 is a deficient number, since it is larger than the sum of its proper divisors (1).

75464743 is an equidigital number, since it uses as much as digits as its factorization.

75464743 is an odious number, because the sum of its binary digits is odd.

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

The square root of 75464743 is about 8687.0445492123. The cubic root of 75464743 is about 422.5856050061.

The spelling of 75464743 in words is "seventy-five million, four hundred sixty-four thousand, seven hundred forty-three".