73404379 has 2 divisors, whose sum is σ = 73404380. Its totient is φ = 73404378.

The previous prime is 73404377. The next prime is 73404389. The reversal of 73404379 is 97340437.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73404379 - 2¹ = 73404377 is a prime.

Together with 73404377, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73404377) 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, 36702189 + 36702190.

It is an arithmetic number, because the mean of its divisors is an integer number (36702190).

Almost surely, 2^73404379 is an apocalyptic number.

73404379 is a deficient number, since it is larger than the sum of its proper divisors (1).

73404379 is an equidigital number, since it uses as much as digits as its factorization.

73404379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 73404379 is about 8567.6355548074. The cubic root of 73404379 is about 418.7042054621.

The spelling of 73404379 in words is "seventy-three million, four hundred four thousand, three hundred seventy-nine".