72435743 has 2 divisors, whose sum is σ = 72435744. Its totient is φ = 72435742.

The previous prime is 72435719. The next prime is 72435761. The reversal of 72435743 is 34753427.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72435743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72435343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36217871 + 36217872.

It is an arithmetic number, because the mean of its divisors is an integer number (36217872).

Almost surely, 2^72435743 is an apocalyptic number.

72435743 is a deficient number, since it is larger than the sum of its proper divisors (1).

72435743 is an equidigital number, since it uses as much as digits as its factorization.

72435743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 35.

The square root of 72435743 is about 8510.9190455555. The cubic root of 72435743 is about 416.8543198122.

The spelling of 72435743 in words is "seventy-two million, four hundred thirty-five thousand, seven hundred forty-three".