747799 has 16 divisors (see below), whose sum is σ = 874944. Its totient is φ = 633600.

The previous prime is 747781. The next prime is 747811. The reversal of 747799 is 997747.

It is a cyclic number.

It is not a de Polignac number, because 747799 - 2⁹ = 747287 is a prime.

It is a Duffinian number.

747799 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12229 + ... + 12289.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

2⁷⁴⁷⁷⁹⁹ is an apocalyptic number.

747799 is a deficient number, since it is larger than the sum of its proper divisors (127145).

747799 is a wasteful number, since it uses less digits than its factorization.

747799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138.

The product of its digits is 111132, while the sum is 43.

The square root of 747799 is about 864.7537221660. The cubic root of 747799 is about 90.7670651705.

The spelling of 747799 in words is "seven hundred forty-seven thousand, seven hundred ninety-nine".