720564734471 has 8 divisors (see below), whose sum is σ = 758507569200. Its totient is φ = 682623737280.

The previous prime is 720564734441. The next prime is 720564734507. The reversal of 720564734471 is 174437465027.

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

It is not a de Polignac number, because 720564734471 - 2³⁸ = 445686827527 is a prime.

It is a super-3 number, since 3×720564734471³ (a number of 37 digits) contains 333 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 (720564734441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385385 + ... + 1260813.

It is an arithmetic number, because the mean of its divisors is an integer number (94813446150).

Almost surely, 2^720564734471 is an apocalyptic number.

720564734471 is a deficient number, since it is larger than the sum of its proper divisors (37942834729).

720564734471 is a wasteful number, since it uses less digits than its factorization.

720564734471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918769.

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 720564734471 in words is "seven hundred twenty billion, five hundred sixty-four million, seven hundred thirty-four thousand, four hundred seventy-one".