72700346881 has 8 divisors (see below), whose sum is σ = 80323657344. Its totient is φ = 65448905280.

The previous prime is 72700346791. The next prime is 72700346921. The reversal of 72700346881 is 18864300727.

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 72700346881 - 2¹¹ = 72700344833 is a prime.

It is a super-2 number, since 2×72700346881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72701346881) 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, 92966805 + ... + 92967586.

It is an arithmetic number, because the mean of its divisors is an integer number (10040457168).

Almost surely, 2^72700346881 is an apocalyptic number.

It is an amenable number.

72700346881 is a deficient number, since it is larger than the sum of its proper divisors (7623310463).

72700346881 is a wasteful number, since it uses less digits than its factorization.

72700346881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185934431.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 72700346881 in words is "seventy-two billion, seven hundred million, three hundred forty-six thousand, eight hundred eighty-one".