79004473 has 2 divisors, whose sum is σ = 79004474. Its totient is φ = 79004472.

The previous prime is 79004447. The next prime is 79004501. The reversal of 79004473 is 37440097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75481344 + 3523129 = 8688^2 + 1877^2 .

It is an emirp because it is prime and its reverse (37440097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79004473 - 2¹⁷ = 78873401 is a prime.

It is not a weakly prime, because it can be changed into another prime (79004573) 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, 39502236 + 39502237.

It is an arithmetic number, because the mean of its divisors is an integer number (39502237).

Almost surely, 2^79004473 is an apocalyptic number.

It is an amenable number.

79004473 is a deficient number, since it is larger than the sum of its proper divisors (1).

79004473 is an equidigital number, since it uses as much as digits as its factorization.

79004473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 79004473 is about 8888.4460396630. The cubic root of 79004473 is about 429.0921408322.

The spelling of 79004473 in words is "seventy-nine million, four thousand, four hundred seventy-three".