720756234426 has 24 divisors (see below), whose sum is σ = 1521374660064. Its totient is φ = 227607231240.

The previous prime is 720756234413. The next prime is 720756234427. The reversal of 720756234426 is 624432657027.

It is not an unprimeable number, because it can be changed into a prime (720756234427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166377390 + ... + 166381721.

It is an arithmetic number, because the mean of its divisors is an integer number (63390610836).

Almost surely, 2^720756234426 is an apocalyptic number.

720756234426 is an abundant number, since it is smaller than the sum of its proper divisors (800618425638).

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

720756234426 is a wasteful number, since it uses less digits than its factorization.

720756234426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332759154 (or 332759135 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 720756234426 in words is "seven hundred twenty billion, seven hundred fifty-six million, two hundred thirty-four thousand, four hundred twenty-six".