79329473 has 4 divisors (see below), whose sum is σ = 79351428. Its totient is φ = 79307520.

The previous prime is 79329449. The next prime is 79329487. The reversal of 79329473 is 37492397.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21827584 + 57501889 = 4672^2 + 7583^2 .

It is a cyclic number.

It is not a de Polignac number, because 79329473 - 2⁶ = 79329409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79329773) 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 in 3 ways as a sum of consecutive naturals, for example, 4136 + ... + 13257.

It is an arithmetic number, because the mean of its divisors is an integer number (19837857).

Almost surely, 2^79329473 is an apocalyptic number.

It is an amenable number.

79329473 is a deficient number, since it is larger than the sum of its proper divisors (21955).

79329473 is a wasteful number, since it uses less digits than its factorization.

79329473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954.

The product of its digits is 285768, while the sum is 44.

The square root of 79329473 is about 8906.7094372726. The cubic root of 79329473 is about 429.6797200390.

The spelling of 79329473 in words is "seventy-nine million, three hundred twenty-nine thousand, four hundred seventy-three".