728646670510 has 48 divisors (see below), whose sum is σ = 1447932376800. Its totient is φ = 263805284160.

The previous prime is 728646670471. The next prime is 728646670513. The reversal of 728646670510 is 15076646827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728646670513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1037730 + ... + 1591909.

It is an arithmetic number, because the mean of its divisors is an integer number (30165257850).

Almost surely, 2^728646670510 is an apocalyptic number.

728646670510 is a deficient number, since it is larger than the sum of its proper divisors (719285706290).

728646670510 is a wasteful number, since it uses less digits than its factorization.

728646670510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629897 (or 2629886 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 728646670510 in words is "seven hundred twenty-eight billion, six hundred forty-six million, six hundred seventy thousand, five hundred ten".