720075664476 has 432 divisors, whose sum is σ = 2301585433056. Its totient is φ = 188536578048.

The previous prime is 720075664463. The next prime is 720075664519. The reversal of 720075664476 is 674466570027.

720075664476 is a `hidden beast` number, since 7 + 2 + 0 + 0 + 7 + 566 + 4 + 4 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 217741215 + ... + 217744521.

It is an arithmetic number, because the mean of its divisors is an integer number (5327744058).

Almost surely, 2^720075664476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720075664476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1150792716528).

720075664476 is an abundant number, since it is smaller than the sum of its proper divisors (1581509768580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720075664476 is a wasteful number, since it uses less digits than its factorization.

720075664476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

The spelling of 720075664476 in words is "seven hundred twenty billion, seventy-five million, six hundred sixty-four thousand, four hundred seventy-six".