712708340 has 48 divisors (see below), whose sum is σ = 1589414400. Its totient is φ = 267520512.

The previous prime is 712708333. The next prime is 712708343. The reversal of 712708340 is 43807217.

It is a happy number.

712708340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 712708297 and 712708306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712708343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119141 + ... + 124979.

It is an arithmetic number, because the mean of its divisors is an integer number (33112800).

Almost surely, 2^712708340 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 712708340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794707200).

712708340 is an abundant number, since it is smaller than the sum of its proper divisors (876706060).

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

712708340 is a wasteful number, since it uses less digits than its factorization.

712708340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224 (or 6222 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 712708340 is about 26696.5979105953. The cubic root of 712708340 is about 893.2450405919.

The spelling of 712708340 in words is "seven hundred twelve million, seven hundred eight thousand, three hundred forty".