72776028090 has 32 divisors (see below), whose sum is σ = 180685313280. Its totient is φ = 18737735744.

The previous prime is 72776028071. The next prime is 72776028103. The reversal of 72776028090 is 9082067727.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41824434 + ... + 41826173.

It is an arithmetic number, because the mean of its divisors is an integer number (5646416040).

Almost surely, 2^72776028090 is an apocalyptic number.

72776028090 is an abundant number, since it is smaller than the sum of its proper divisors (107909285190).

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

72776028090 is a wasteful number, since it uses less digits than its factorization.

72776028090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83650646.

The product of its (nonzero) digits is 592704, while the sum is 48.

The spelling of 72776028090 in words is "seventy-two billion, seven hundred seventy-six million, twenty-eight thousand, ninety".