745198 has 8 divisors (see below), whose sum is σ = 1121760. Its totient is φ = 371280.

The previous prime is 745189. The next prime is 745201. The reversal of 745198 is 891547.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

745198 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, 363 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (140220).

2⁷⁴⁵¹⁹⁸ is an apocalyptic number.

745198 is a deficient number, since it is larger than the sum of its proper divisors (376562).

745198 is a wasteful number, since it uses less digits than its factorization.

745198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its digits is 10080, while the sum is 34.

The square root of 745198 is about 863.2485157821. The cubic root of 745198 is about 90.6617073652.

The spelling of 745198 in words is "seven hundred forty-five thousand, one hundred ninety-eight".