73757743 has 2 divisors, whose sum is σ = 73757744. Its totient is φ = 73757742.

The previous prime is 73757741. The next prime is 73757767. The reversal of 73757743 is 34775737.

It is a weak prime.

It is an emirp because it is prime and its reverse (34775737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73757743 - 2¹ = 73757741 is a prime.

Together with 73757741, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 73757743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73757741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36878871 + 36878872.

It is an arithmetic number, because the mean of its divisors is an integer number (36878872).

Almost surely, 2^73757743 is an apocalyptic number.

73757743 is a deficient number, since it is larger than the sum of its proper divisors (1).

73757743 is an equidigital number, since it uses as much as digits as its factorization.

73757743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432180, while the sum is 43.

The square root of 73757743 is about 8588.2328217160. The cubic root of 73757743 is about 419.3750020026.

The spelling of 73757743 in words is "seventy-three million, seven hundred fifty-seven thousand, seven hundred forty-three".