712718988 has 12 divisors (see below), whose sum is σ = 1663011000. Its totient is φ = 237572992.

The previous prime is 712718987. The next prime is 712718989. The reversal of 712718988 is 889817217.

It is an interprime number because it is at equal distance from previous prime (712718987) and next prime (712718989).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 712718988.

It is not an unprimeable number, because it can be changed into a prime (712718987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29696613 + ... + 29696636.

It is an arithmetic number, because the mean of its divisors is an integer number (138584250).

Almost surely, 2^712718988 is an apocalyptic number.

It is an amenable number.

712718988 is an abundant number, since it is smaller than the sum of its proper divisors (950292012).

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

712718988 is a wasteful number, since it uses less digits than its factorization.

712718988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59393256 (or 59393254 counting only the distinct ones).

The product of its digits is 451584, while the sum is 51.

The square root of 712718988 is about 26696.7973360102. The cubic root of 712718988 is about 893.2494889875.

The spelling of 712718988 in words is "seven hundred twelve million, seven hundred eighteen thousand, nine hundred eighty-eight".