720738471 has 8 divisors (see below), whose sum is σ = 961752960. Its totient is φ = 480108152.

The previous prime is 720738461. The next prime is 720738493. The reversal of 720738471 is 174837027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720738471 - 2⁵ = 720738439 is a prime.

It is a super-3 number, since 3×720738471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720738451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91635 + ... + 99188.

It is an arithmetic number, because the mean of its divisors is an integer number (120219120).

Almost surely, 2^720738471 is an apocalyptic number.

720738471 is a deficient number, since it is larger than the sum of its proper divisors (241014489).

720738471 is a wasteful number, since it uses less digits than its factorization.

720738471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192085.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 720738471 is about 26846.5727980314. The cubic root of 720738471 is about 896.5872693725.

The spelling of 720738471 in words is "seven hundred twenty million, seven hundred thirty-eight thousand, four hundred seventy-one".