720485599 has 4 divisors (see below), whose sum is σ = 745329960. Its totient is φ = 695641240.

The previous prime is 720485593. The next prime is 720485611. The reversal of 720485599 is 995584027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 995584027 = 167 ⋅5961581.

It is a cyclic number.

It is not a de Polignac number, because 720485599 - 2⁷ = 720485471 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 (720485593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12422137 + ... + 12422194.

It is an arithmetic number, because the mean of its divisors is an integer number (186332490).

Almost surely, 2^720485599 is an apocalyptic number.

720485599 is a deficient number, since it is larger than the sum of its proper divisors (24844361).

720485599 is a wasteful number, since it uses less digits than its factorization.

720485599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24844360.

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 720485599 is about 26841.8628079349. The cubic root of 720485599 is about 896.4824008497.

The spelling of 720485599 in words is "seven hundred twenty million, four hundred eighty-five thousand, five hundred ninety-nine".