720213996 has 24 divisors (see below), whose sum is σ = 1753565184. Its totient is φ = 229633360.

The previous prime is 720213983. The next prime is 720213997. The reversal of 720213996 is 699312027.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (720213997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304460 + ... + 1305011.

It is an arithmetic number, because the mean of its divisors is an integer number (73065216).

Almost surely, 2^720213996 is an apocalyptic number.

It is an amenable number.

720213996 is an abundant number, since it is smaller than the sum of its proper divisors (1033351188).

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

720213996 is a wasteful number, since it uses less digits than its factorization.

720213996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609501 (or 2609499 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 720213996 is about 26836.8030137720. The cubic root of 720213996 is about 896.3697370610.

The spelling of 720213996 in words is "seven hundred twenty million, two hundred thirteen thousand, nine hundred ninety-six".