73788343 has 4 divisors (see below), whose sum is σ = 77671960. Its totient is φ = 69904728.

The previous prime is 73788317. The next prime is 73788353. The reversal of 73788343 is 34388737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34388737 = 109 ⋅315493.

It is a cyclic number.

It is not a de Polignac number, because 73788343 - 2⁵ = 73788311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73788343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73788353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941780 + ... + 1941817.

It is an arithmetic number, because the mean of its divisors is an integer number (19417990).

Almost surely, 2^73788343 is an apocalyptic number.

73788343 is a deficient number, since it is larger than the sum of its proper divisors (3883617).

73788343 is a wasteful number, since it uses less digits than its factorization.

73788343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883616.

The product of its digits is 338688, while the sum is 43.

The square root of 73788343 is about 8590.0141443423. The cubic root of 73788343 is about 419.4329895905.

The spelling of 73788343 in words is "seventy-three million, seven hundred eighty-eight thousand, three hundred forty-three".