720672212 has 24 divisors (see below), whose sum is σ = 1359445416. Its totient is φ = 332310528.

The previous prime is 720672193. The next prime is 720672247. The reversal of 720672212 is 212276027.

It can be written as a sum of positive squares in 4 ways, for example, as 11195716 + 709476496 = 3346^2 + 26636^2 .

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, 56228 + ... + 67844.

It is an arithmetic number, because the mean of its divisors is an integer number (56643559).

Almost surely, 2^720672212 is an apocalyptic number.

It is an amenable number.

720672212 is a deficient number, since it is larger than the sum of its proper divisors (638773204).

720672212 is a wasteful number, since it uses less digits than its factorization.

720672212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12827 (or 12825 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 720672212 is about 26845.3387387829. The cubic root of 720672212 is about 896.5597934809.

The spelling of 720672212 in words is "seven hundred twenty million, six hundred seventy-two thousand, two hundred twelve".