712161634 has 4 divisors (see below), whose sum is σ = 1068242454. Its totient is φ = 356080816.

The previous prime is 712161631. The next prime is 712161707. The reversal of 712161634 is 436161217.

712161634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 575856009 + 136305625 = 23997^2 + 11675^2 .

It is a junction number, because it is equal to n+sod(n) for n = 712161596 and 712161605.

It is not an unprimeable number, because it can be changed into a prime (712161631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178040407 + ... + 178040410.

Almost surely, 2^712161634 is an apocalyptic number.

712161634 is a deficient number, since it is larger than the sum of its proper divisors (356080820).

712161634 is a wasteful number, since it uses less digits than its factorization.

712161634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356080819.

The product of its digits is 6048, while the sum is 31.

The square root of 712161634 is about 26686.3567015057. The cubic root of 712161634 is about 893.0165846606.

The spelling of 712161634 in words is "seven hundred twelve million, one hundred sixty-one thousand, six hundred thirty-four".