728067790 has 8 divisors (see below), whose sum is σ = 1310522040. Its totient is φ = 291227112.

The previous prime is 728067779. The next prime is 728067817. The reversal of 728067790 is 97760827.

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

It is a self number, because there is not a number n which added to its sum of digits gives 728067790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36403380 + ... + 36403399.

It is an arithmetic number, because the mean of its divisors is an integer number (163815255).

Almost surely, 2^728067790 is an apocalyptic number.

728067790 is a deficient number, since it is larger than the sum of its proper divisors (582454250).

728067790 is a wasteful number, since it uses less digits than its factorization.

728067790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72806786.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 728067790 is about 26982.7313295004. The cubic root of 728067790 is about 899.6162108487.

The spelling of 728067790 in words is "seven hundred twenty-eight million, sixty-seven thousand, seven hundred ninety".