720987627 has 8 divisors (see below), whose sum is σ = 961881664. Its totient is φ = 480376008.

The previous prime is 720987599. The next prime is 720987667. The reversal of 720987627 is 726789027.

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

It is not a de Polignac number, because 720987627 - 2¹⁵ = 720954859 is a prime.

It is a super-2 number, since 2×720987627² = 1039646316574182258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720987667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64573 + ... + 74910.

It is an arithmetic number, because the mean of its divisors is an integer number (120235208).

Almost surely, 2^720987627 is an apocalyptic number.

720987627 is a deficient number, since it is larger than the sum of its proper divisors (240894037).

720987627 is a wasteful number, since it uses less digits than its factorization.

720987627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141209.

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 720987627 is about 26851.2127659069. The cubic root of 720987627 is about 896.6905728453.

The spelling of 720987627 in words is "seven hundred twenty million, nine hundred eighty-seven thousand, six hundred twenty-seven".