73880369 has 2 divisors, whose sum is σ = 73880370. Its totient is φ = 73880368.

The previous prime is 73880363. The next prime is 73880377. The reversal of 73880369 is 96308837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 1000000 = 8537^2 + 1000^2 .

It is an emirp because it is prime and its reverse (96308837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73880369 - 2⁴ = 73880353 is a prime.

It is a super-2 number, since 2×73880369² = 10916617847152322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73880363) 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 as a sum of consecutive naturals, namely, 36940184 + 36940185.

It is an arithmetic number, because the mean of its divisors is an integer number (36940185).

Almost surely, 2^73880369 is an apocalyptic number.

It is an amenable number.

73880369 is a deficient number, since it is larger than the sum of its proper divisors (1).

73880369 is an equidigital number, since it uses as much as digits as its factorization.

73880369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 73880369 is about 8595.3690438515. The cubic root of 73880369 is about 419.6072840818.

The spelling of 73880369 in words is "seventy-three million, eight hundred eighty thousand, three hundred sixty-nine".