720625704250 has 16 divisors (see below), whose sum is σ = 1349011318824. Its totient is φ = 288250281600.

The previous prime is 720625704223. The next prime is 720625704277. The reversal of 720625704250 is 52407526027.

It is an interprime number because it is at equal distance from previous prime (720625704223) and next prime (720625704277).

It can be written as a sum of positive squares in 4 ways, for example, as 231463945449 + 489161758801 = 481107^2 + 699401^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441251159 + ... + 1441251658.

Almost surely, 2^720625704250 is an apocalyptic number.

720625704250 is a deficient number, since it is larger than the sum of its proper divisors (628385614574).

720625704250 is a wasteful number, since it uses less digits than its factorization.

720625704250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882502834 (or 2882502824 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 720625704250 in words is "seven hundred twenty billion, six hundred twenty-five million, seven hundred four thousand, two hundred fifty".