747798 has 8 divisors (see below), whose sum is σ = 1495608. Its totient is φ = 249264.

The previous prime is 747781. The next prime is 747811. The reversal of 747798 is 897747.

747798 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.

747798 is an admirable number.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

747798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62311 + ... + 62322.

It is an arithmetic number, because the mean of its divisors is an integer number (186951).

2⁷⁴⁷⁷⁹⁸ is an apocalyptic number.

747798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

747798 is a wasteful number, since it uses less digits than its factorization.

747798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124638.

The product of its digits is 98784, while the sum is 42.

The square root of 747798 is about 864.7531439665. The cubic root of 747798 is about 90.7670247109.

The spelling of 747798 in words is "seven hundred forty-seven thousand, seven hundred ninety-eight".