79942481 has 8 divisors (see below), whose sum is σ = 84285600. Its totient is φ = 75612960.

The previous prime is 79942469. The next prime is 79942487. The reversal of 79942481 is 18424997.

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 79942481 - 2⁶ = 79942417 is a prime.

It is a super-2 number, since 2×79942481² = 12781600536870722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79942487) 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, 10085 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (10535700).

Almost surely, 2^79942481 is an apocalyptic number.

It is an amenable number.

79942481 is a deficient number, since it is larger than the sum of its proper divisors (4343119).

79942481 is a wasteful number, since it uses less digits than its factorization.

79942481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799.

The product of its digits is 145152, while the sum is 44.

The square root of 79942481 is about 8941.0559219815. The cubic root of 79942481 is about 430.7836458064.

The spelling of 79942481 in words is "seventy-nine million, nine hundred forty-two thousand, four hundred eighty-one".