73420343 has 4 divisors (see below), whose sum is σ = 73438008. Its totient is φ = 73402680.

The previous prime is 73420337. The next prime is 73420363. The reversal of 73420343 is 34302437.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73420343 - 2¹⁰ = 73419319 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 (73420363) 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, 1205 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (18359502).

Almost surely, 2^73420343 is an apocalyptic number.

73420343 is a deficient number, since it is larger than the sum of its proper divisors (17665).

73420343 is a wasteful number, since it uses less digits than its factorization.

73420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17664.

The product of its (nonzero) digits is 6048, while the sum is 26.

The square root of 73420343 is about 8568.5671497631. The cubic root of 73420343 is about 418.7345565553.

The spelling of 73420343 in words is "seventy-three million, four hundred twenty thousand, three hundred forty-three".