712308870 has 256 divisors, whose sum is σ = 2386298880. Its totient is φ = 147184128.

The previous prime is 712308869. The next prime is 712308871. The reversal of 712308870 is 78803217.

712308870 = 3640² + 3641² + ... + 3692².

712308870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (712308869) and next prime (712308871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712308871) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1301937 + ... + 1302483.

It is an arithmetic number, because the mean of its divisors is an integer number (9321480).

Almost surely, 2^712308870 is an apocalyptic number.

712308870 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 712308870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193149440).

712308870 is an abundant number, since it is smaller than the sum of its proper divisors (1673990010).

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

712308870 is a wasteful number, since it uses less digits than its factorization.

712308870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 712308870 is about 26689.1151970237. The cubic root of 712308870 is about 893.0781227176.

The spelling of 712308870 in words is "seven hundred twelve million, three hundred eight thousand, eight hundred seventy".