73945741 has 4 divisors (see below), whose sum is σ = 73962972. Its totient is φ = 73928512.

The previous prime is 73945691. The next prime is 73945747. The reversal of 73945741 is 14754937.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14754937 = 23 ⋅641519.

It can be written as a sum of positive squares in 2 ways, for example, as 11930116 + 62015625 = 3454^2 + 7875^2 .

It is a cyclic number.

It is not a de Polignac number, because 73945741 - 2¹⁷ = 73814669 is a prime.

It is a super-2 number, since 2×73945741² = 10935945224078162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73945694 and 73945703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73945747) 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 in 3 ways as a sum of consecutive naturals, for example, 3525 + ... + 12661.

It is an arithmetic number, because the mean of its divisors is an integer number (18490743).

Almost surely, 2^73945741 is an apocalyptic number.

It is an amenable number.

73945741 is a deficient number, since it is larger than the sum of its proper divisors (17231).

73945741 is an equidigital number, since it uses as much as digits as its factorization.

73945741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17230.

The product of its digits is 105840, while the sum is 40.

The square root of 73945741 is about 8599.1709484112. The cubic root of 73945741 is about 419.7310087879.

The spelling of 73945741 in words is "seventy-three million, nine hundred forty-five thousand, seven hundred forty-one".