712907808 has 48 divisors (see below), whose sum is σ = 1879831296. Its totient is φ = 236563200.

The previous prime is 712907807. The next prime is 712907809. The reversal of 712907808 is 808709217.

It is an interprime number because it is at equal distance from previous prime (712907807) and next prime (712907809).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 712907808.

It is not an unprimeable number, because it can be changed into a prime (712907807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4758 + ... + 38058.

It is an arithmetic number, because the mean of its divisors is an integer number (39163152).

Almost surely, 2^712907808 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 712907808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939915648).

712907808 is an abundant number, since it is smaller than the sum of its proper divisors (1166923488).

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

712907808 is a wasteful number, since it uses less digits than its factorization.

712907808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33537 (or 33529 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 712907808 is about 26700.3334810635. Note that the first 3 decimals coincide. The cubic root of 712907808 is about 893.3283646168.

The spelling of 712907808 in words is "seven hundred twelve million, nine hundred seven thousand, eight hundred eight".