747859 has 8 divisors (see below), whose sum is σ = 899840. Its totient is φ = 607176.

The previous prime is 747853. The next prime is 747863. The reversal of 747859 is 958747.

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 747859 - 2⁵ = 747827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747853) 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 7 ways as a sum of consecutive naturals, for example, 2679 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (112480).

2⁷⁴⁷⁸⁵⁹ is an apocalyptic number.

747859 is a deficient number, since it is larger than the sum of its proper divisors (151981).

747859 is a wasteful number, since it uses less digits than its factorization.

747859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5649.

The product of its digits is 70560, while the sum is 40.

The square root of 747859 is about 864.7884134284. The cubic root of 747859 is about 90.7694926848.

The spelling of 747859 in words is "seven hundred forty-seven thousand, eight hundred fifty-nine".