720066026 has 8 divisors (see below), whose sum is σ = 1106443044. Its totient is φ = 351251680.

The previous prime is 720066013. The next prime is 720066071. The reversal of 720066026 is 620660027.

It can be written as a sum of positive squares in 2 ways, for example, as 595408801 + 124657225 = 24401^2 + 11165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 720066026.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390565 + ... + 4390728.

Almost surely, 2^720066026 is an apocalyptic number.

720066026 is a deficient number, since it is larger than the sum of its proper divisors (386377018).

720066026 is a wasteful number, since it uses less digits than its factorization.

720066026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8781336.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 720066026 is about 26834.0460236618. The cubic root of 720066026 is about 896.3083456249.

The spelling of 720066026 in words is "seven hundred twenty million, sixty-six thousand, twenty-six".