73773743 has 2 divisors, whose sum is σ = 73773744. Its totient is φ = 73773742.

The previous prime is 73773737. The next prime is 73773773. The reversal of 73773743 is 34737737.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73773743 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73773743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73773703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36886871 + 36886872.

It is an arithmetic number, because the mean of its divisors is an integer number (36886872).

Almost surely, 2^73773743 is an apocalyptic number.

73773743 is a deficient number, since it is larger than the sum of its proper divisors (1).

73773743 is an equidigital number, since it uses as much as digits as its factorization.

73773743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259308, while the sum is 41.

The square root of 73773743 is about 8589.1642783218. The cubic root of 73773743 is about 419.4053243102.

The spelling of 73773743 in words is "seventy-three million, seven hundred seventy-three thousand, seven hundred forty-three".