720360387 has 12 divisors (see below), whose sum is σ = 1041192880. Its totient is φ = 479929968.

The previous prime is 720360371. The next prime is 720360427. The reversal of 720360387 is 783063027.

It is not a de Polignac number, because 720360387 - 2⁴ = 720360371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720360337) 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 11 ways as a sum of consecutive naturals, for example, 10687 + ... + 39432.

Almost surely, 2^720360387 is an apocalyptic number.

720360387 is a deficient number, since it is larger than the sum of its proper divisors (320832493).

720360387 is a wasteful number, since it uses less digits than its factorization.

720360387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51722 (or 51719 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 720360387 is about 26839.5303051302. The cubic root of 720360387 is about 896.4304651100.

The spelling of 720360387 in words is "seven hundred twenty million, three hundred sixty thousand, three hundred eighty-seven".