712070207661 has 32 divisors (see below), whose sum is σ = 977028998400. Its totient is φ = 461094626304.

The previous prime is 712070207627. The next prime is 712070207663. The reversal of 712070207661 is 166702070217.

It is not a de Polignac number, because 712070207661 - 2¹⁰ = 712070206637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712070207663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102467415 + ... + 102474363.

It is an arithmetic number, because the mean of its divisors is an integer number (30532156200).

Almost surely, 2^712070207661 is an apocalyptic number.

It is an amenable number.

712070207661 is a deficient number, since it is larger than the sum of its proper divisors (264958790739).

712070207661 is a wasteful number, since it uses less digits than its factorization.

712070207661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13365.

The product of its (nonzero) digits is 49392, while the sum is 39.

Adding to 712070207661 its reverse (166702070217), we get a palindrome (878772277878).

The spelling of 712070207661 in words is "seven hundred twelve billion, seventy million, two hundred seven thousand, six hundred sixty-one".