709212 has 24 divisors (see below), whose sum is σ = 1891456. Its totient is φ = 202608.

The previous prime is 709211. The next prime is 709217. The reversal of 709212 is 212907.

It is a happy number.

709212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 709212.

It is not an unprimeable number, because it can be changed into a prime (709211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4138 + ... + 4305.

2⁷⁰⁹²¹² is an apocalyptic number.

It is an amenable number.

709212 is an abundant number, since it is smaller than the sum of its proper divisors (1182244).

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

709212 is a wasteful number, since it uses less digits than its factorization.

709212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457 (or 8455 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 709212 is about 842.1472555320. The cubic root of 709212 is about 89.1781978662.

The spelling of 709212 in words is "seven hundred nine thousand, two hundred twelve".