720645162 has 8 divisors (see below), whose sum is σ = 1441290336. Its totient is φ = 240215052.

The previous prime is 720645143. The next prime is 720645179. The reversal of 720645162 is 261546027.

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

720645162 is an admirable number.

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, 60053758 + ... + 60053769.

It is an arithmetic number, because the mean of its divisors is an integer number (180161292).

Almost surely, 2^720645162 is an apocalyptic number.

720645162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

720645162 is a wasteful number, since it uses less digits than its factorization.

720645162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120107532.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 720645162 is about 26844.8349221969. The cubic root of 720645162 is about 896.5485760622.

The spelling of 720645162 in words is "seven hundred twenty million, six hundred forty-five thousand, one hundred sixty-two".