728630770007 has 8 divisors (see below), whose sum is σ = 834459340800. Its totient is φ = 623236814424.

The previous prime is 728630769931. The next prime is 728630770039. The reversal of 728630770007 is 700077036827.

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

It is not a de Polignac number, because 728630770007 - 2⁸ = 728630769751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728630770067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108650207 + ... + 108656912.

It is an arithmetic number, because the mean of its divisors is an integer number (104307417600).

Almost surely, 2^728630770007 is an apocalyptic number.

728630770007 is a deficient number, since it is larger than the sum of its proper divisors (105828570793).

728630770007 is a wasteful number, since it uses less digits than its factorization.

728630770007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217307605.

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 728630770007 in words is "seven hundred twenty-eight billion, six hundred thirty million, seven hundred seventy thousand, seven".