720069625 has 32 divisors (see below), whose sum is σ = 1023010560. Its totient is φ = 500896000.

The previous prime is 720069613. The next prime is 720069653. The reversal of 720069625 is 526960027.

It is not a de Polignac number, because 720069625 - 2⁹ = 720069113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20241 + ... + 43009.

It is an arithmetic number, because the mean of its divisors is an integer number (31969080).

Almost surely, 2^720069625 is an apocalyptic number.

It is an amenable number.

720069625 is a deficient number, since it is larger than the sum of its proper divisors (302940935).

720069625 is a wasteful number, since it uses less digits than its factorization.

720069625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818 (or 22808 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 720069625 is about 26834.1130839087. The cubic root of 720069625 is about 896.3098389178.

The spelling of 720069625 in words is "seven hundred twenty million, sixty-nine thousand, six hundred twenty-five".