728495349 has 8 divisors (see below), whose sum is σ = 982241280. Its totient is φ = 480206496.

The previous prime is 728495333. The next prime is 728495357. The reversal of 728495349 is 943594827.

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

It is not a de Polignac number, because 728495349 - 2⁴ = 728495333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728495329) 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, 1363957 + ... + 1364490.

It is an arithmetic number, because the mean of its divisors is an integer number (122780160).

Almost surely, 2^728495349 is an apocalyptic number.

It is an amenable number.

728495349 is a deficient number, since it is larger than the sum of its proper divisors (253745931).

728495349 is a wasteful number, since it uses less digits than its factorization.

728495349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728539.

The product of its digits is 2177280, while the sum is 51.

The square root of 728495349 is about 26990.6529932123. The cubic root of 728495349 is about 899.7922767518.

The spelling of 728495349 in words is "seven hundred twenty-eight million, four hundred ninety-five thousand, three hundred forty-nine".