720425747161 has 8 divisors (see below), whose sum is σ = 746409448448. Its totient is φ = 694613556000.

The previous prime is 720425747137. The next prime is 720425747183. The reversal of 720425747161 is 161747524027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720425747161 - 2⁷ = 720425747033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720425747131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42868980 + ... + 42885781.

It is an arithmetic number, because the mean of its divisors is an integer number (93301181056).

Almost surely, 2^720425747161 is an apocalyptic number.

It is an amenable number.

720425747161 is a deficient number, since it is larger than the sum of its proper divisors (25983701287).

720425747161 is a wasteful number, since it uses less digits than its factorization.

720425747161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85755063.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 720425747161 in words is "seven hundred twenty billion, four hundred twenty-five million, seven hundred forty-seven thousand, one hundred sixty-one".