73340673389 has 2 divisors, whose sum is σ = 73340673390. Its totient is φ = 73340673388.

The previous prime is 73340673383. The next prime is 73340673391. The reversal of 73340673389 is 98337604337.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37114022500 + 36226650889 = 192650^2 + 190333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73340673389 is a prime.

Together with 73340673391, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73340673389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73340673383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36670336694 + 36670336695.

It is an arithmetic number, because the mean of its divisors is an integer number (36670336695).

Almost surely, 2^73340673389 is an apocalyptic number.

It is an amenable number.

73340673389 is a deficient number, since it is larger than the sum of its proper divisors (1).

73340673389 is an equidigital number, since it uses as much as digits as its factorization.

73340673389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 53.

The spelling of 73340673389 in words is "seventy-three billion, three hundred forty million, six hundred seventy-three thousand, three hundred eighty-nine".