728163035 has 16 divisors (see below), whose sum is σ = 895659552. Its totient is φ = 568128000.

The previous prime is 728163019. The next prime is 728163041. The reversal of 728163035 is 530361827.

It is not a de Polignac number, because 728163035 - 2⁴ = 728163019 is a prime.

It is a super-2 number, since 2×728163035² = 1060442811080822450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 728162986 and 728163004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23075 + ... + 44595.

It is an arithmetic number, because the mean of its divisors is an integer number (55978722).

Almost surely, 2^728163035 is an apocalyptic number.

728163035 is a deficient number, since it is larger than the sum of its proper divisors (167496517).

728163035 is a wasteful number, since it uses less digits than its factorization.

728163035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 728163035 is about 26984.4961968905. The cubic root of 728163035 is about 899.6554380613.

The spelling of 728163035 in words is "seven hundred twenty-eight million, one hundred sixty-three thousand, thirty-five".