749807979 has 8 divisors (see below), whose sum is σ = 1006112400. Its totient is φ = 496687776.

The previous prime is 749807939. The next prime is 749808023. The reversal of 749807979 is 979708947.

749807979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 749807979 - 2¹² = 749803883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749807939) 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, 795504 + ... + 796445.

It is an arithmetic number, because the mean of its divisors is an integer number (125764050).

Almost surely, 2^749807979 is an apocalyptic number.

749807979 is a deficient number, since it is larger than the sum of its proper divisors (256304421).

749807979 is a wasteful number, since it uses less digits than its factorization.

749807979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592109.

The product of its (nonzero) digits is 8001504, while the sum is 60.

The square root of 749807979 is about 27382.6218430595. The cubic root of 749807979 is about 908.4827508392.

The spelling of 749807979 in words is "seven hundred forty-nine million, eight hundred seven thousand, nine hundred seventy-nine".