716581212 has 24 divisors (see below), whose sum is σ = 1770377616. Its totient is φ = 224809728.

The previous prime is 716581207. The next prime is 716581273. The reversal of 716581212 is 212185617.

716581212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756123 + ... + 1756530.

It is an arithmetic number, because the mean of its divisors is an integer number (73765734).

Almost surely, 2^716581212 is an apocalyptic number.

It is an amenable number.

716581212 is an abundant number, since it is smaller than the sum of its proper divisors (1053796404).

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

716581212 is a wasteful number, since it uses less digits than its factorization.

716581212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512677 (or 3512675 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 716581212 is about 26769.0345735516. The cubic root of 716581212 is about 894.8600894454.

The spelling of 716581212 in words is "seven hundred sixteen million, five hundred eighty-one thousand, two hundred twelve".