740198 has 8 divisors (see below), whose sum is σ = 1131408. Its totient is φ = 363064.

The previous prime is 740191. The next prime is 740227. The reversal of 740198 is 891047.

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

740198 is a modest number, since divided by 198 gives 74 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 740198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740191) by changing a digit.

740198 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386 + ... + 3597.

It is an arithmetic number, because the mean of its divisors is an integer number (141426).

2⁷⁴⁰¹⁹⁸ is an apocalyptic number.

740198 is a deficient number, since it is larger than the sum of its proper divisors (391210).

740198 is a wasteful number, since it uses less digits than its factorization.

740198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 740198 is about 860.3476041694. The cubic root of 740198 is about 90.4584834451.

The spelling of 740198 in words is "seven hundred forty thousand, one hundred ninety-eight".