720608870 has 8 divisors (see below), whose sum is σ = 1297095984. Its totient is φ = 288243544.

The previous prime is 720608851. The next prime is 720608873. The reversal of 720608870 is 78806027.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720608873) 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, 36030434 + ... + 36030453.

It is an arithmetic number, because the mean of its divisors is an integer number (162136998).

Almost surely, 2^720608870 is an apocalyptic number.

720608870 is a deficient number, since it is larger than the sum of its proper divisors (576487114).

720608870 is a wasteful number, since it uses less digits than its factorization.

720608870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72060894.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 720608870 is about 26844.1589549757. The cubic root of 720608870 is about 896.5335256190.

The spelling of 720608870 in words is "seven hundred twenty million, six hundred eight thousand, eight hundred seventy".