712216064 has 80 divisors (see below), whose sum is σ = 1712092800. Its totient is φ = 289142784.

The previous prime is 712216049. The next prime is 712216069. The reversal of 712216064 is 460612217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712216069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62867 + ... + 73325.

It is an arithmetic number, because the mean of its divisors is an integer number (21401160).

Almost surely, 2^712216064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712216064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856046400).

712216064 is an abundant number, since it is smaller than the sum of its proper divisors (999876736).

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

712216064 is a wasteful number, since it uses less digits than its factorization.

712216064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10503 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 712216064 is about 26687.3764915175. The cubic root of 712216064 is about 893.0393349522.

The spelling of 712216064 in words is "seven hundred twelve million, two hundred sixteen thousand, sixty-four".