73097743 has 4 divisors (see below), whose sum is σ = 73133128. Its totient is φ = 73062360.

The previous prime is 73097699. The next prime is 73097753. The reversal of 73097743 is 34779037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34779037 = 829 ⋅41953.

It is a cyclic number.

It is not a de Polignac number, because 73097743 - 2⁹ = 73097231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73097696 and 73097705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73097753) 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 in 3 ways as a sum of consecutive naturals, for example, 14388 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (18283282).

Almost surely, 2^73097743 is an apocalyptic number.

73097743 is a deficient number, since it is larger than the sum of its proper divisors (35385).

73097743 is a wasteful number, since it uses less digits than its factorization.

73097743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35384.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 73097743 is about 8549.7218083397. The cubic root of 73097743 is about 418.1203666547.

The spelling of 73097743 in words is "seventy-three million, ninety-seven thousand, seven hundred forty-three".