720037213456 has 80 divisors (see below), whose sum is σ = 1547620195968. Its totient is φ = 321786086400.

The previous prime is 720037213433. The next prime is 720037213457. The reversal of 720037213456 is 654312730027.

It is a super-2 number, since 2×720037213456² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720037213457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984421 + ... + 4161211.

Almost surely, 2^720037213456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720037213456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773810097984).

720037213456 is an abundant number, since it is smaller than the sum of its proper divisors (827582982512).

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

720037213456 is a wasteful number, since it uses less digits than its factorization.

720037213456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177200 (or 177194 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 720037213456 in words is "seven hundred twenty billion, thirty-seven million, two hundred thirteen thousand, four hundred fifty-six".