722720327641 has 16 divisors (see below), whose sum is σ = 802553645376. Its totient is φ = 646653099456.

The previous prime is 722720327629. The next prime is 722720327657. The reversal of 722720327641 is 146723027227.

722720327641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722720327641 - 2⁹ = 722720327129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722720327671) 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, 6261735 + ... + 6376108.

It is an arithmetic number, because the mean of its divisors is an integer number (50159602836).

Almost surely, 2^722720327641 is an apocalyptic number.

It is an amenable number.

722720327641 is a deficient number, since it is larger than the sum of its proper divisors (79833317735).

722720327641 is a wasteful number, since it uses less digits than its factorization.

722720327641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12637992.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 722720327641 in words is "seven hundred twenty-two billion, seven hundred twenty million, three hundred twenty-seven thousand, six hundred forty-one".