79329442 has 8 divisors (see below), whose sum is σ = 123097500. Its totient is φ = 38296944.

The previous prime is 79329409. The next prime is 79329449. The reversal of 79329442 is 24492397.

It can be written as a sum of positive squares in 2 ways, for example, as 77281681 + 2047761 = 8791^2 + 1431^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 79329395 and 79329404.

It is not an unprimeable number, because it can be changed into a prime (79329449) 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, 683817 + ... + 683932.

Almost surely, 2^79329442 is an apocalyptic number.

79329442 is a deficient number, since it is larger than the sum of its proper divisors (43768058).

79329442 is a wasteful number, since it uses less digits than its factorization.

79329442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367780.

The product of its digits is 108864, while the sum is 40.

The square root of 79329442 is about 8906.7076970113. The cubic root of 79329442 is about 429.6796640696.

The spelling of 79329442 in words is "seventy-nine million, three hundred twenty-nine thousand, four hundred forty-two".