73939741 has 2 divisors, whose sum is σ = 73939742. Its totient is φ = 73939740.

The previous prime is 73939739. The next prime is 73939753. The reversal of 73939741 is 14793937.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71825625 + 2114116 = 8475^2 + 1454^2 .

It is an emirp because it is prime and its reverse (14793937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73939741 - 2¹ = 73939739 is a prime.

Together with 73939739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73939841) 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, 36969870 + 36969871.

It is an arithmetic number, because the mean of its divisors is an integer number (36969871).

Almost surely, 2^73939741 is an apocalyptic number.

It is an amenable number.

73939741 is a deficient number, since it is larger than the sum of its proper divisors (1).

73939741 is an equidigital number, since it uses as much as digits as its factorization.

73939741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 43.

The square root of 73939741 is about 8598.8220704931. The cubic root of 73939741 is about 419.7196560756.

The spelling of 73939741 in words is "seventy-three million, nine hundred thirty-nine thousand, seven hundred forty-one".