79242397 has 8 divisors (see below), whose sum is σ = 85769600. Its totient is φ = 72776880.

The previous prime is 79242379. The next prime is 79242403. The reversal of 79242397 is 79324297.

It is a happy number.

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 79242397 - 2¹⁵ = 79209629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79242347) 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 7 ways as a sum of consecutive naturals, for example, 12729 + ... + 17902.

It is an arithmetic number, because the mean of its divisors is an integer number (10721200).

Almost surely, 2^79242397 is an apocalyptic number.

It is an amenable number.

79242397 is a deficient number, since it is larger than the sum of its proper divisors (6527203).

79242397 is a wasteful number, since it uses less digits than its factorization.

79242397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30843.

The product of its digits is 190512, while the sum is 43.

The square root of 79242397 is about 8901.8198701164. The cubic root of 79242397 is about 429.5224498270.

The spelling of 79242397 in words is "seventy-nine million, two hundred forty-two thousand, three hundred ninety-seven".