747198 has 32 divisors (see below), whose sum is σ = 1689120. Its totient is φ = 244800.

The previous prime is 747161. The next prime is 747199. The reversal of 747198 is 891747.

It is a congruent number.

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

747198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 5386 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (52785).

2⁷⁴⁷¹⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844560).

747198 is an abundant number, since it is smaller than the sum of its proper divisors (941922).

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

747198 is a wasteful number, since it uses less digits than its factorization.

747198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 747198 is about 864.4061545362. The cubic root of 747198 is about 90.7427424016.

It can be divided in two parts, 7471 and 98, that added together give a square (7569 = 87²).

The spelling of 747198 in words is "seven hundred forty-seven thousand, one hundred ninety-eight".