720732162 has 16 divisors (see below), whose sum is σ = 1455737472. Its totient is φ = 237865200.

The previous prime is 720732161. The next prime is 720732167. The reversal of 720732162 is 261237027.

It is not an unprimeable number, because it can be changed into a prime (720732161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594058 + ... + 595269.

It is an arithmetic number, because the mean of its divisors is an integer number (90983592).

Almost surely, 2^720732162 is an apocalyptic number.

720732162 is an abundant number, since it is smaller than the sum of its proper divisors (735005310).

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

720732162 is a wasteful number, since it uses less digits than its factorization.

720732162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189433.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 720732162 is about 26846.4552967426. The cubic root of 720732162 is about 896.5846532661.

Adding to 720732162 its reverse (261237027), we get a palindrome (981969189).

The spelling of 720732162 in words is "seven hundred twenty million, seven hundred thirty-two thousand, one hundred sixty-two".