706505481725 has 12 divisors (see below), whose sum is σ = 876077570676. Its totient is φ = 565197434880.

The previous prime is 706505481709. The next prime is 706505481727. The reversal of 706505481725 is 527184505607.

It can be written as a sum of positive squares in 6 ways, for example, as 68931977401 + 637573504324 = 262549^2 + 798482^2 .

It is not a de Polignac number, because 706505481725 - 2⁴ = 706505481709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706505481727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3135959 + ... + 3353691.

It is an arithmetic number, because the mean of its divisors is an integer number (73006464223).

Almost surely, 2^706505481725 is an apocalyptic number.

It is an amenable number.

706505481725 is a deficient number, since it is larger than the sum of its proper divisors (169572088951).

706505481725 is a wasteful number, since it uses less digits than its factorization.

706505481725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347536 (or 347531 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 706505481725 in words is "seven hundred six billion, five hundred five million, four hundred eighty-one thousand, seven hundred twenty-five".