70720599824464 has 40 divisors (see below), whose sum is σ = 145110787393320. Its totient is φ = 33273502199808.

The previous prime is 70720599824443. The next prime is 70720599824503. The reversal of 70720599824464 is 46442899502707.

It can be written as a sum of positive squares in 4 ways, for example, as 58897950250000 + 11822649574464 = 7674500^2 + 3438408^2 .

It is a super-2 number, since 2×70720599824464² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70720599824464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25146949 + ... + 27817444.

It is an arithmetic number, because the mean of its divisors is an integer number (3627769684833).

Almost surely, 2^{70720599824464} is an apocalyptic number.

It is an amenable number.

70720599824464 is an abundant number, since it is smaller than the sum of its proper divisors (74390187568856).

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

70720599824464 is a wasteful number, since it uses less digits than its factorization.

70720599824464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52969327 (or 52969321 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 67.

The spelling of 70720599824464 in words is "seventy trillion, seven hundred twenty billion, five hundred ninety-nine million, eight hundred twenty-four thousand, four hundred sixty-four".