73000343 has 4 divisors (see below), whose sum is σ = 78615768. Its totient is φ = 67384920.

The previous prime is 73000339. The next prime is 73000387. The reversal of 73000343 is 34300037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34300037 = 3373 ⋅10169.

It is a cyclic number.

It is not a de Polignac number, because 73000343 - 2² = 73000339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73000043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807693 + ... + 2807718.

It is an arithmetic number, because the mean of its divisors is an integer number (19653942).

Almost surely, 2^73000343 is an apocalyptic number.

73000343 is a deficient number, since it is larger than the sum of its proper divisors (5615425).

73000343 is a wasteful number, since it uses less digits than its factorization.

73000343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615424.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 73000343 is about 8544.0238178507. The cubic root of 73000343 is about 417.9345742094.

It can be divided in two parts, 7300034 and 3, that added together give a palindrome (7300037).

The spelling of 73000343 in words is "seventy-three million, three hundred forty-three", and thus it is an aban number.