728838010 has 8 divisors (see below), whose sum is σ = 1311908436. Its totient is φ = 291535200.

The previous prime is 728838001. The next prime is 728838031. The reversal of 728838010 is 10838827.

It is a Cunningham number, because it is equal to 26997²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 728838009 + 1 = 26997^2 + 1^2 .

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

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, 36441891 + ... + 36441910.

Almost surely, 2^728838010 is an apocalyptic number.

728838010 is a deficient number, since it is larger than the sum of its proper divisors (583070426).

728838010 is a wasteful number, since it uses less digits than its factorization.

728838010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72883808.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 728838010 is about 26997.0000185206. Note that the first 4 decimals coincide. The cubic root of 728838010 is about 899.9333325103.

The spelling of 728838010 in words is "seven hundred twenty-eight million, eight hundred thirty-eight thousand, ten".