720883242 has 48 divisors (see below), whose sum is σ = 1590930432. Its totient is φ = 235872000.

The previous prime is 720883231. The next prime is 720883253. The reversal of 720883242 is 242388027.

It is an interprime number because it is at equal distance from previous prime (720883231) and next prime (720883253).

It is a junction number, because it is equal to n+sod(n) for n = 720883197 and 720883206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220117 + ... + 223367.

It is an arithmetic number, because the mean of its divisors is an integer number (33144384).

Almost surely, 2^720883242 is an apocalyptic number.

720883242 is an abundant number, since it is smaller than the sum of its proper divisors (870047190).

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

720883242 is a wasteful number, since it uses less digits than its factorization.

720883242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3480 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 720883242 is about 26849.2689285947. The cubic root of 720883242 is about 896.6472962991.

The spelling of 720883242 in words is "seven hundred twenty million, eight hundred eighty-three thousand, two hundred forty-two".