722527013408 has 54 divisors (see below), whose sum is σ = 1511243094501. Its totient is φ = 339974244864.

The previous prime is 722527013389. The next prime is 722527013491. The reversal of 722527013408 is 804310725227.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 661274723344 + 61252290064 = 813188^2 + 247492^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601052.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 81738653 + ... + 81747491.

Almost surely, 2^722527013408 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 722527013408

722527013408 is an abundant number, since it is smaller than the sum of its proper divisors (788716081093).

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

722527013408 is an frugal number, since it uses more digits than its factorization.

722527013408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17722 (or 8858 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 722527013408 in words is "seven hundred twenty-two billion, five hundred twenty-seven million, thirteen thousand, four hundred eight".