706431481972 has 12 divisors (see below), whose sum is σ = 1269667393540. Its totient is φ = 343669369536.

The previous prime is 706431481963. The next prime is 706431481979. The reversal of 706431481972 is 279184134607.

It is a happy number.

706431481972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 251759083536 + 454672398436 = 501756^2 + 674294^2 .

It is a super-2 number, since 2×706431481972² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706431481979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386592697 + ... + 2386592992.

Almost surely, 2^706431481972 is an apocalyptic number.

It is an amenable number.

706431481972 is a deficient number, since it is larger than the sum of its proper divisors (563235911568).

706431481972 is a wasteful number, since it uses less digits than its factorization.

706431481972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773185730 (or 4773185728 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 706431481972 in words is "seven hundred six billion, four hundred thirty-one million, four hundred eighty-one thousand, nine hundred seventy-two".