720073063 has 4 divisors (see below), whose sum is σ = 762430320. Its totient is φ = 677715808.

The previous prime is 720073061. The next prime is 720073073. The reversal of 720073063 is 360370027.

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

It is a cyclic number.

It is not a de Polignac number, because 720073063 - 2¹ = 720073061 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 (720073061) 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, 21178603 + ... + 21178636.

It is an arithmetic number, because the mean of its divisors is an integer number (190607580).

Almost surely, 2^720073063 is an apocalyptic number.

720073063 is a deficient number, since it is larger than the sum of its proper divisors (42357257).

720073063 is a wasteful number, since it uses less digits than its factorization.

720073063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42357256.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 720073063 is about 26834.1771440825. The cubic root of 720073063 is about 896.3112654041.

The spelling of 720073063 in words is "seven hundred twenty million, seventy-three thousand, sixty-three".