712116172 has 6 divisors (see below), whose sum is σ = 1246203308. Its totient is φ = 356058084.

The previous prime is 712116149. The next prime is 712116173. The reversal of 712116172 is 271611217.

It is a self number, because there is not a number n which added to its sum of digits gives 712116172.

It is not an unprimeable number, because it can be changed into a prime (712116173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89014518 + ... + 89014525.

Almost surely, 2^712116172 is an apocalyptic number.

It is an amenable number.

712116172 is a deficient number, since it is larger than the sum of its proper divisors (534087136).

712116172 is a wasteful number, since it uses less digits than its factorization.

712116172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178029047 (or 178029045 counting only the distinct ones).

The product of its digits is 1176, while the sum is 28.

The square root of 712116172 is about 26685.5049043484. The cubic root of 712116172 is about 892.9975818660.

Adding to 712116172 its reverse (271611217), we get a palindrome (983727389).

The spelling of 712116172 in words is "seven hundred twelve million, one hundred sixteen thousand, one hundred seventy-two".