743198849 has 8 divisors (see below), whose sum is σ = 754971840. Its totient is φ = 731493136.

The previous prime is 743198837. The next prime is 743198873. The reversal of 743198849 is 948891347.

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 743198849 - 2²⁰ = 742150273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 743198849.

It is not an unprimeable number, because it can be changed into a prime (743198249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684 + ... + 38970.

It is an arithmetic number, because the mean of its divisors is an integer number (94371480).

Almost surely, 2^743198849 is an apocalyptic number.

It is an amenable number.

743198849 is a deficient number, since it is larger than the sum of its proper divisors (11772991).

743198849 is a wasteful number, since it uses less digits than its factorization.

743198849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33639.

The product of its digits is 1741824, while the sum is 53.

The square root of 743198849 is about 27261.6736280075. The cubic root of 743198849 is about 905.8056170004.

The spelling of 743198849 in words is "seven hundred forty-three million, one hundred ninety-eight thousand, eight hundred forty-nine".