711216612 has 30 divisors (see below), whose sum is σ = 1859261558. Its totient is φ = 237072096.

The previous prime is 711216563. The next prime is 711216617. The reversal of 711216612 is 216612117.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 520113636 + 191102976 = 22806^2 + 13824^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (711216617) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1097233 + ... + 1097880.

Almost surely, 2^711216612 is an apocalyptic number.

It is an amenable number.

711216612 is an abundant number, since it is smaller than the sum of its proper divisors (1148044946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711216612 is a wasteful number, since it uses less digits than its factorization.

711216612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195129 (or 2195118 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 711216612 is about 26668.6447349692. The cubic root of 711216612 is about 892.6214057005.

Adding to 711216612 its reverse (216612117), we get a palindrome (927828729).

The spelling of 711216612 in words is "seven hundred eleven million, two hundred sixteen thousand, six hundred twelve".