79199473 has 2 divisors, whose sum is σ = 79199474. Its totient is φ = 79199472.

The previous prime is 79199443. The next prime is 79199489. The reversal of 79199473 is 37499197.

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., 55696369 + 23503104 = 7463^2 + 4848^2 .

It is a cyclic number.

It is not a de Polignac number, because 79199473 - 2⁵ = 79199441 is a prime.

It is not a weakly prime, because it can be changed into another prime (79199423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39599736 + 39599737.

It is an arithmetic number, because the mean of its divisors is an integer number (39599737).

Almost surely, 2^79199473 is an apocalyptic number.

It is an amenable number.

79199473 is a deficient number, since it is larger than the sum of its proper divisors (1).

79199473 is an equidigital number, since it uses as much as digits as its factorization.

79199473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 79199473 is about 8899.4085758549. The cubic root of 79199473 is about 429.4448812850. Note that the first 3 decimals are identical.

The spelling of 79199473 in words is "seventy-nine million, one hundred ninety-nine thousand, four hundred seventy-three".