720100469 has 4 divisors (see below), whose sum is σ = 785564160. Its totient is φ = 654636780.

The previous prime is 720100441. The next prime is 720100471. The reversal of 720100469 is 964001027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 964001027 = 11 ⋅87636457.

It is a cyclic number.

It is not a de Polignac number, because 720100469 - 2²⁴ = 703323253 is a prime.

It is a super-2 number, since 2×720100469² = 1037089370908039922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720100499) 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 3 ways as a sum of consecutive naturals, for example, 32731829 + ... + 32731850.

It is an arithmetic number, because the mean of its divisors is an integer number (196391040).

Almost surely, 2^720100469 is an apocalyptic number.

It is an amenable number.

720100469 is a deficient number, since it is larger than the sum of its proper divisors (65463691).

720100469 is a wasteful number, since it uses less digits than its factorization.

720100469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65463690.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 720100469 is about 26834.6877939729. The cubic root of 720100469 is about 896.3226364700.

The spelling of 720100469 in words is "seven hundred twenty million, one hundred thousand, four hundred sixty-nine".