72772141567766 has 8 divisors (see below), whose sum is σ = 109178773341840. Its totient is φ = 36379217120488.

The previous prime is 72772141567747. The next prime is 72772141567823. The reversal of 72772141567766 is 66776514127727.

It is a happy number.

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

It is a super-2 number, since 2×72772141567766² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72772141567696 and 72772141567705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426818426 + ... + 3426839661.

It is an arithmetic number, because the mean of its divisors is an integer number (13647346667730).

Almost surely, 2^{72772141567766} is an apocalyptic number.

72772141567766 is a deficient number, since it is larger than the sum of its proper divisors (36406631774074).

72772141567766 is a wasteful number, since it uses less digits than its factorization.

72772141567766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853663398.

The product of its digits is 290424960, while the sum is 68.

The spelling of 72772141567766 in words is "seventy-two trillion, seven hundred seventy-two billion, one hundred forty-one million, five hundred sixty-seven thousand, seven hundred sixty-six".