712115712 has 400 divisors, whose sum is σ = 2661829632. Its totient is φ = 184135680.

The previous prime is 712115707. The next prime is 712115713. The reversal of 712115712 is 217511217.

712115712 is a `hidden beast` number, since 71 + 21 + 1 + 571 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712115713) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3193233 + ... + 3193455.

Almost surely, 2^712115712 is an apocalyptic number.

712115712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712115712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330914816).

712115712 is an abundant number, since it is smaller than the sum of its proper divisors (1949713920).

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

712115712 is a wasteful number, since it uses less digits than its factorization.

712115712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 246 counting only the distinct ones).

The product of its digits is 980, while the sum is 27.

The square root of 712115712 is about 26685.4962854357. The cubic root of 712115712 is about 892.9973895851.

Adding to 712115712 its reverse (217511217), we get a palindrome (929626929).

The spelling of 712115712 in words is "seven hundred twelve million, one hundred fifteen thousand, seven hundred twelve".