712080836 has 48 divisors (see below), whose sum is σ = 1374021936. Its totient is φ = 321490944.

The previous prime is 712080833. The next prime is 712080847. The reversal of 712080836 is 638080217.

It can be written as a sum of positive squares in 8 ways, for example, as 54671236 + 657409600 = 7394^2 + 25640^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712080796 and 712080805.

It is not an unprimeable number, because it can be changed into a prime (712080833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181730 + ... + 185606.

It is an arithmetic number, because the mean of its divisors is an integer number (28625457).

Almost surely, 2^712080836 is an apocalyptic number.

It is an amenable number.

712080836 is a deficient number, since it is larger than the sum of its proper divisors (661941100).

712080836 is a wasteful number, since it uses less digits than its factorization.

712080836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008 (or 4006 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 712080836 is about 26684.8428138522. The cubic root of 712080836 is about 892.9828111091.

The spelling of 712080836 in words is "seven hundred twelve million, eighty thousand, eight hundred thirty-six".