72626761762056 has 48 divisors (see below), whose sum is σ = 196698499580700. Its totient is φ = 24208795072512.

The previous prime is 72626761762001. The next prime is 72626761762099. The reversal of 72626761762056 is 65026716762627.

It is a happy number.

72626761762056 is a `hidden beast` number, since 7 + 2 + 6 + 2 + 6 + 7 + 617 + 6 + 2 + 0 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 56323013677956 + 16303748084100 = 7504866^2 + 4037790^2 .

It is a super-2 number, since 2×72626761762056² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72626761761984 and 72626761762002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11926360 + ... + 16955576.

Almost surely, 2^{72626761762056} is an apocalyptic number.

It is an amenable number.

72626761762056 is an abundant number, since it is smaller than the sum of its proper divisors (124071737818644).

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

72626761762056 is a wasteful number, since it uses less digits than its factorization.

72626761762056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229798 (or 5229791 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 63.

The spelling of 72626761762056 in words is "seventy-two trillion, six hundred twenty-six billion, seven hundred sixty-one million, seven hundred sixty-two thousand, fifty-six".