72680270634 has 24 divisors (see below), whose sum is σ = 157504354020. Its totient is φ = 24222074688.

The previous prime is 72680270603. The next prime is 72680270659. The reversal of 72680270634 is 43607208627.

72680270634 is a `hidden beast` number, since 7 + 2 + 6 + 8 + 0 + 2 + 7 + 0 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72455180625 + 225090009 = 269175^2 + 15003^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72680270634.

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, 293817 + ... + 481340.

Almost surely, 2^72680270634 is an apocalyptic number.

72680270634 is an abundant number, since it is smaller than the sum of its proper divisors (84824083386).

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

72680270634 is a wasteful number, since it uses less digits than its factorization.

72680270634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780374 (or 780371 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 72680270634 in words is "seventy-two billion, six hundred eighty million, two hundred seventy thousand, six hundred thirty-four".