712701720 has 128 divisors (see below), whose sum is σ = 2383257600. Its totient is φ = 189447552.

The previous prime is 712701707. The next prime is 712701751. The reversal of 712701720 is 27107217.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412779 + ... + 414501.

It is an arithmetic number, because the mean of its divisors is an integer number (18619200).

Almost surely, 2^712701720 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 712701720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191628800).

712701720 is an abundant number, since it is smaller than the sum of its proper divisors (1670555880).

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

712701720 is a wasteful number, since it uses less digits than its factorization.

712701720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 712701720 is about 26696.4739244717. The cubic root of 712701720 is about 893.2422749443.

Adding to 712701720 its reverse (27107217), we get a palindrome (739808937).

The spelling of 712701720 in words is "seven hundred twelve million, seven hundred one thousand, seven hundred twenty".