720527963 has 4 divisors (see below), whose sum is σ = 721808328. Its totient is φ = 719247600.

The previous prime is 720527911. The next prime is 720527981. The reversal of 720527963 is 369725027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720527963 is a prime.

It is a super-3 number, since 3×720527963³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 720527963.

It is not an unprimeable number, because it can be changed into a prime (720527993) 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, 639338 + ... + 640463.

It is an arithmetic number, because the mean of its divisors is an integer number (180452082).

Almost surely, 2^720527963 is an apocalyptic number.

720527963 is a deficient number, since it is larger than the sum of its proper divisors (1280365).

720527963 is a wasteful number, since it uses less digits than its factorization.

720527963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280364.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 720527963 is about 26842.6519367964. The cubic root of 720527963 is about 896.4999713309.

The spelling of 720527963 in words is "seven hundred twenty million, five hundred twenty-seven thousand, nine hundred sixty-three".