79929473 has 8 divisors (see below), whose sum is σ = 86457000. Its totient is φ = 73456128.

The previous prime is 79929467. The next prime is 79929497. The reversal of 79929473 is 37492997.

It can be written as a sum of positive squares in 4 ways, for example, as 8898289 + 71031184 = 2983^2 + 8428^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79929473 - 2¹⁶ = 79863937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79929403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10448 + ... + 16401.

It is an arithmetic number, because the mean of its divisors is an integer number (10807125).

Almost surely, 2^79929473 is an apocalyptic number.

It is an amenable number.

79929473 is a deficient number, since it is larger than the sum of its proper divisors (6527527).

79929473 is a wasteful number, since it uses less digits than its factorization.

79929473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27091.

The product of its digits is 857304, while the sum is 50.

The square root of 79929473 is about 8940.3284615276. The cubic root of 79929473 is about 430.7602792660.

The spelling of 79929473 in words is "seventy-nine million, nine hundred twenty-nine thousand, four hundred seventy-three".