706726561772 has 96 divisors (see below), whose sum is σ = 1550796420096. Its totient is φ = 273769977600.

The previous prime is 706726561757. The next prime is 706726561811. The reversal of 706726561772 is 277165627607.

It is a happy number.

706726561772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×706726561772² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126628022 + ... + 126633602.

It is an arithmetic number, because the mean of its divisors is an integer number (16154129376).

Almost surely, 2^706726561772 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 706726561772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775398210048).

706726561772 is an abundant number, since it is smaller than the sum of its proper divisors (844069858324).

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

706726561772 is a wasteful number, since it uses less digits than its factorization.

706726561772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887 (or 7885 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 56.

The spelling of 706726561772 in words is "seven hundred six billion, seven hundred twenty-six million, five hundred sixty-one thousand, seven hundred seventy-two".