728110642 has 32 divisors (see below), whose sum is σ = 1288743552. Its totient is φ = 301999104.

The previous prime is 728110637. The next prime is 728110657. The reversal of 728110642 is 246011827.

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, 96333 + ... + 103615.

It is an arithmetic number, because the mean of its divisors is an integer number (40273236).

Almost surely, 2^728110642 is an apocalyptic number.

728110642 is a deficient number, since it is larger than the sum of its proper divisors (560632910).

728110642 is a wasteful number, since it uses less digits than its factorization.

728110642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 728110642 is about 26983.5253812396. The cubic root of 728110642 is about 899.6338601199.

The spelling of 728110642 in words is "seven hundred twenty-eight million, one hundred ten thousand, six hundred forty-two".